Home / 509,185.47-762,614.75-243,132.33

Finding the Fourth Proportional to 509,185.47, 762,614.75 and 243,132.33

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Solution

The fourth proportional to 509,185.47, 762,614.75 and 243,132.33 is: 364,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,185.47 : 762,614.75 = 243,132.33 : x
  2. Step 2: Convert to fraction form
    509,185.47/762,614.75 = 243,132.33/x
  3. Step 3: Cross multiply
    509,185.47x = 762,614.75 × 243,132.33
  4. Step 4: Simplify right side
    509,185.47x = 185,416,299,844.21
  5. Step 5: Solve for x
    x = 185,416,299,844.21/509,185.47
  6. Step 6: Final answer
    x = 364,142.95

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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.