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Finding the Fourth Proportional to 466,376.66, 698,443.92 and 266,089.82

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Solution

The fourth proportional to 466,376.66, 698,443.92 and 266,089.82 is: 398,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,376.66 : 698,443.92 = 266,089.82 : x
  2. Step 2: Convert to fraction form
    466,376.66/698,443.92 = 266,089.82/x
  3. Step 3: Cross multiply
    466,376.66x = 698,443.92 × 266,089.82
  4. Step 4: Simplify right side
    466,376.66x = 185,848,813,460.68
  5. Step 5: Solve for x
    x = 185,848,813,460.68/466,376.66
  6. Step 6: Final answer
    x = 398,495.10

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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.