Home / 398,683.08-597,985.74-149,384.52

Finding the Fourth Proportional to 398,683.08, 597,985.74 and 149,384.52

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Solution

The fourth proportional to 398,683.08, 597,985.74 and 149,384.52 is: 224,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,683.08 : 597,985.74 = 149,384.52 : x
  2. Step 2: Convert to fraction form
    398,683.08/597,985.74 = 149,384.52/x
  3. Step 3: Cross multiply
    398,683.08x = 597,985.74 × 149,384.52
  4. Step 4: Simplify right side
    398,683.08x = 89,329,812,736.74
  5. Step 5: Solve for x
    x = 89,329,812,736.74/398,683.08
  6. Step 6: Final answer
    x = 224,062.21

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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.