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Finding the Fourth Proportional to 375,237.54, 517,818.24 and 209,666.86

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Solution

The fourth proportional to 375,237.54, 517,818.24 and 209,666.86 is: 289,334.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,237.54 : 517,818.24 = 209,666.86 : x
  2. Step 2: Convert to fraction form
    375,237.54/517,818.24 = 209,666.86/x
  3. Step 3: Cross multiply
    375,237.54x = 517,818.24 × 209,666.86
  4. Step 4: Simplify right side
    375,237.54x = 108,569,323,136.98
  5. Step 5: Solve for x
    x = 108,569,323,136.98/375,237.54
  6. Step 6: Final answer
    x = 289,334.92

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1.5x scale

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.