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Finding the Fourth Proportional to 525,771.60, 788,657.40 and 146,691.60

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Solution

The fourth proportional to 525,771.60, 788,657.40 and 146,691.60 is: 220,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,771.60 : 788,657.40 = 146,691.60 : x
  2. Step 2: Convert to fraction form
    525,771.60/788,657.40 = 146,691.60/x
  3. Step 3: Cross multiply
    525,771.60x = 788,657.40 × 146,691.60
  4. Step 4: Simplify right side
    525,771.60x = 115,689,415,857.84
  5. Step 5: Solve for x
    x = 115,689,415,857.84/525,771.60
  6. Step 6: Final answer
    x = 220,037.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.