Home / 224,214.62-309,428.47-128,727.46

Finding the Fourth Proportional to 224,214.62, 309,428.47 and 128,727.46

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Solution

The fourth proportional to 224,214.62, 309,428.47 and 128,727.46 is: 177,650.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,214.62 : 309,428.47 = 128,727.46 : x
  2. Step 2: Convert to fraction form
    224,214.62/309,428.47 = 128,727.46/x
  3. Step 3: Cross multiply
    224,214.62x = 309,428.47 × 128,727.46
  4. Step 4: Simplify right side
    224,214.62x = 39,831,941,542.48
  5. Step 5: Solve for x
    x = 39,831,941,542.48/224,214.62
  6. Step 6: Final answer
    x = 177,650.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.