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Finding the Fourth Proportional to 502,803, 754,211.88 and 123,723.90

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Solution

The fourth proportional to 502,803, 754,211.88 and 123,723.90 is: 185,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,803 : 754,211.88 = 123,723.90 : x
  2. Step 2: Convert to fraction form
    502,803/754,211.88 = 123,723.90/x
  3. Step 3: Cross multiply
    502,803x = 754,211.88 × 123,723.90
  4. Step 4: Simplify right side
    502,803x = 93,314,035,219.93
  5. Step 5: Solve for x
    x = 93,314,035,219.93/502,803
  6. Step 6: Final answer
    x = 185,587.67

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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.