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Finding the Fourth Proportional to 556,545.04, 834,877.86 and 177,376.84

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Solution

The fourth proportional to 556,545.04, 834,877.86 and 177,376.84 is: 266,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,545.04 : 834,877.86 = 177,376.84 : x
  2. Step 2: Convert to fraction form
    556,545.04/834,877.86 = 177,376.84/x
  3. Step 3: Cross multiply
    556,545.04x = 834,877.86 × 177,376.84
  4. Step 4: Simplify right side
    556,545.04x = 148,087,996,592.76
  5. Step 5: Solve for x
    x = 148,087,996,592.76/556,545.04
  6. Step 6: Final answer
    x = 266,084.48

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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.