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Finding the Fourth Proportional to 424,833.24, 637,249.86 and 158,614.51

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Solution

The fourth proportional to 424,833.24, 637,249.86 and 158,614.51 is: 237,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,833.24 : 637,249.86 = 158,614.51 : x
  2. Step 2: Convert to fraction form
    424,833.24/637,249.86 = 158,614.51/x
  3. Step 3: Cross multiply
    424,833.24x = 637,249.86 × 158,614.51
  4. Step 4: Simplify right side
    424,833.24x = 101,077,076,243.08
  5. Step 5: Solve for x
    x = 101,077,076,243.08/424,833.24
  6. Step 6: Final answer
    x = 237,921.77

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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.