Home / 284,983.04-427,572.80-127,320.32

Finding the Fourth Proportional to 284,983.04, 427,572.80 and 127,320.32

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Solution

The fourth proportional to 284,983.04, 427,572.80 and 127,320.32 is: 191,024.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,983.04 : 427,572.80 = 127,320.32 : x
  2. Step 2: Convert to fraction form
    284,983.04/427,572.80 = 127,320.32/x
  3. Step 3: Cross multiply
    284,983.04x = 427,572.80 × 127,320.32
  4. Step 4: Simplify right side
    284,983.04x = 54,438,705,719.30
  5. Step 5: Solve for x
    x = 54,438,705,719.30/284,983.04
  6. Step 6: Final answer
    x = 191,024.37

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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.