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Finding the Fourth Proportional to 600,318.69, 900,411.44 and 151,039.64

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Solution

The fourth proportional to 600,318.69, 900,411.44 and 151,039.64 is: 226,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,318.69 : 900,411.44 = 151,039.64 : x
  2. Step 2: Convert to fraction form
    600,318.69/900,411.44 = 151,039.64/x
  3. Step 3: Cross multiply
    600,318.69x = 900,411.44 × 151,039.64
  4. Step 4: Simplify right side
    600,318.69x = 135,997,817,030.10
  5. Step 5: Solve for x
    x = 135,997,817,030.10/600,318.69
  6. Step 6: Final answer
    x = 226,542.70

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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.