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Finding the Fourth Proportional to 377,060.66, 520,347.24 and 207,296

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Solution

The fourth proportional to 377,060.66, 520,347.24 and 207,296 is: 286,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,060.66 : 520,347.24 = 207,296 : x
  2. Step 2: Convert to fraction form
    377,060.66/520,347.24 = 207,296/x
  3. Step 3: Cross multiply
    377,060.66x = 520,347.24 × 207,296
  4. Step 4: Simplify right side
    377,060.66x = 107,865,901,463.04
  5. Step 5: Solve for x
    x = 107,865,901,463.04/377,060.66
  6. Step 6: Final answer
    x = 286,070.42

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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.