Home / 284,166.28-392,143.48-155,100.52

Finding the Fourth Proportional to 284,166.28, 392,143.48 and 155,100.52

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Solution

The fourth proportional to 284,166.28, 392,143.48 and 155,100.52 is: 214,035.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,166.28 : 392,143.48 = 155,100.52 : x
  2. Step 2: Convert to fraction form
    284,166.28/392,143.48 = 155,100.52/x
  3. Step 3: Cross multiply
    284,166.28x = 392,143.48 × 155,100.52
  4. Step 4: Simplify right side
    284,166.28x = 60,821,657,662.61
  5. Step 5: Solve for x
    x = 60,821,657,662.61/284,166.28
  6. Step 6: Final answer
    x = 214,035.45

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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.