Home / 284,725.19-392,922.54-155,663.96

Finding the Fourth Proportional to 284,725.19, 392,922.54 and 155,663.96

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Solution

The fourth proportional to 284,725.19, 392,922.54 and 155,663.96 is: 214,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,725.19 : 392,922.54 = 155,663.96 : x
  2. Step 2: Convert to fraction form
    284,725.19/392,922.54 = 155,663.96/x
  3. Step 3: Cross multiply
    284,725.19x = 392,922.54 × 155,663.96
  4. Step 4: Simplify right side
    284,725.19x = 61,163,876,585.05
  5. Step 5: Solve for x
    x = 61,163,876,585.05/284,725.19
  6. Step 6: Final answer
    x = 214,817.23

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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.