Home / 284,154.07-392,131.81-156,828.75

Finding the Fourth Proportional to 284,154.07, 392,131.81 and 156,828.75

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Solution

The fourth proportional to 284,154.07, 392,131.81 and 156,828.75 is: 216,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,154.07 : 392,131.81 = 156,828.75 : x
  2. Step 2: Convert to fraction form
    284,154.07/392,131.81 = 156,828.75/x
  3. Step 3: Cross multiply
    284,154.07x = 392,131.81 × 156,828.75
  4. Step 4: Simplify right side
    284,154.07x = 61,497,541,205.47
  5. Step 5: Solve for x
    x = 61,497,541,205.47/284,154.07
  6. Step 6: Final answer
    x = 216,423.23

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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.