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Finding the Fourth Proportional to 376,436.04, 564,534.29 and 123,657.87

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Solution

The fourth proportional to 376,436.04, 564,534.29 and 123,657.87 is: 185,447.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,436.04 : 564,534.29 = 123,657.87 : x
  2. Step 2: Convert to fraction form
    376,436.04/564,534.29 = 123,657.87/x
  3. Step 3: Cross multiply
    376,436.04x = 564,534.29 × 123,657.87
  4. Step 4: Simplify right side
    376,436.04x = 69,809,107,225.07
  5. Step 5: Solve for x
    x = 69,809,107,225.07/376,436.04
  6. Step 6: Final answer
    x = 185,447.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.