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Finding the Fourth Proportional to 377,732.51, 521,269.92 and 207,966.63

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Solution

The fourth proportional to 377,732.51, 521,269.92 and 207,966.63 is: 286,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,732.51 : 521,269.92 = 207,966.63 : x
  2. Step 2: Convert to fraction form
    377,732.51/521,269.92 = 207,966.63/x
  3. Step 3: Cross multiply
    377,732.51x = 521,269.92 × 207,966.63
  4. Step 4: Simplify right side
    377,732.51x = 108,406,748,582.77
  5. Step 5: Solve for x
    x = 108,406,748,582.77/377,732.51
  6. Step 6: Final answer
    x = 286,993.43

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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.