Home / 284,505.26-392,644.41-155,463.35

Finding the Fourth Proportional to 284,505.26, 392,644.41 and 155,463.35

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Solution

The fourth proportional to 284,505.26, 392,644.41 and 155,463.35 is: 214,554.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,505.26 : 392,644.41 = 155,463.35 : x
  2. Step 2: Convert to fraction form
    284,505.26/392,644.41 = 155,463.35/x
  3. Step 3: Cross multiply
    284,505.26x = 392,644.41 × 155,463.35
  4. Step 4: Simplify right side
    284,505.26x = 61,041,815,337.37
  5. Step 5: Solve for x
    x = 61,041,815,337.37/284,505.26
  6. Step 6: Final answer
    x = 214,554.26

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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.