Home / 284,202.45-392,196.33-156,875.31

Finding the Fourth Proportional to 284,202.45, 392,196.33 and 156,875.31

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Solution

The fourth proportional to 284,202.45, 392,196.33 and 156,875.31 is: 216,486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,202.45 : 392,196.33 = 156,875.31 : x
  2. Step 2: Convert to fraction form
    284,202.45/392,196.33 = 156,875.31/x
  3. Step 3: Cross multiply
    284,202.45x = 392,196.33 × 156,875.31
  4. Step 4: Simplify right side
    284,202.45x = 61,525,920,849.61
  5. Step 5: Solve for x
    x = 61,525,920,849.61/284,202.45
  6. Step 6: Final answer
    x = 216,486.24

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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.