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Finding the Fourth Proportional to 525,499.68, 788,292.96 and 225,987.36

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Solution

The fourth proportional to 525,499.68, 788,292.96 and 225,987.36 is: 338,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,499.68 : 788,292.96 = 225,987.36 : x
  2. Step 2: Convert to fraction form
    525,499.68/788,292.96 = 225,987.36/x
  3. Step 3: Cross multiply
    525,499.68x = 788,292.96 × 225,987.36
  4. Step 4: Simplify right side
    525,499.68x = 178,144,244,936.99
  5. Step 5: Solve for x
    x = 178,144,244,936.99/525,499.68
  6. Step 6: Final answer
    x = 338,999.72

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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.