Home / 377,627.11-521,125.13-207,861.23

Finding the Fourth Proportional to 377,627.11, 521,125.13 and 207,861.23

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Solution

The fourth proportional to 377,627.11, 521,125.13 and 207,861.23 is: 286,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,627.11 : 521,125.13 = 207,861.23 : x
  2. Step 2: Convert to fraction form
    377,627.11/521,125.13 = 207,861.23/x
  3. Step 3: Cross multiply
    377,627.11x = 521,125.13 × 207,861.23
  4. Step 4: Simplify right side
    377,627.11x = 108,321,712,328.18
  5. Step 5: Solve for x
    x = 108,321,712,328.18/377,627.11
  6. Step 6: Final answer
    x = 286,848.35

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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.