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Finding the Fourth Proportional to 615,230.30, 922,333.45 and 260,516.70

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Solution

The fourth proportional to 615,230.30, 922,333.45 and 260,516.70 is: 390,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,230.30 : 922,333.45 = 260,516.70 : x
  2. Step 2: Convert to fraction form
    615,230.30/922,333.45 = 260,516.70/x
  3. Step 3: Cross multiply
    615,230.30x = 922,333.45 × 260,516.70
  4. Step 4: Simplify right side
    615,230.30x = 240,283,266,693.62
  5. Step 5: Solve for x
    x = 240,283,266,693.62/615,230.30
  6. Step 6: Final answer
    x = 390,558.25

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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.