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Finding the Fourth Proportional to 525,847.10, 788,770.65 and 146,767.10

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Solution

The fourth proportional to 525,847.10, 788,770.65 and 146,767.10 is: 220,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,847.10 : 788,770.65 = 146,767.10 : x
  2. Step 2: Convert to fraction form
    525,847.10/788,770.65 = 146,767.10/x
  3. Step 3: Cross multiply
    525,847.10x = 788,770.65 × 146,767.10
  4. Step 4: Simplify right side
    525,847.10x = 115,765,580,865.62
  5. Step 5: Solve for x
    x = 115,765,580,865.62/525,847.10
  6. Step 6: Final answer
    x = 220,150.65

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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.