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Finding the Fourth Proportional to 377,461.94, 520,901.12 and 207,699.71

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Solution

The fourth proportional to 377,461.94, 520,901.12 and 207,699.71 is: 286,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,461.94 : 520,901.12 = 207,699.71 : x
  2. Step 2: Convert to fraction form
    377,461.94/520,901.12 = 207,699.71/x
  3. Step 3: Cross multiply
    377,461.94x = 520,901.12 × 207,699.71
  4. Step 4: Simplify right side
    377,461.94x = 108,191,011,562.68
  5. Step 5: Solve for x
    x = 108,191,011,562.68/377,461.94
  6. Step 6: Final answer
    x = 286,627.60

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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.