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Finding the Fourth Proportional to 377,463.75, 520,903.62 and 207,701.52

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Solution

The fourth proportional to 377,463.75, 520,903.62 and 207,701.52 is: 286,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,463.75 : 520,903.62 = 207,701.52 : x
  2. Step 2: Convert to fraction form
    377,463.75/520,903.62 = 207,701.52/x
  3. Step 3: Cross multiply
    377,463.75x = 520,903.62 × 207,701.52
  4. Step 4: Simplify right side
    377,463.75x = 108,192,473,647.50
  5. Step 5: Solve for x
    x = 108,192,473,647.50/377,463.75
  6. Step 6: Final answer
    x = 286,630.10

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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.