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Finding the Fourth Proportional to 586,015.62, 879,057.46 and 226,188.51

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Solution

The fourth proportional to 586,015.62, 879,057.46 and 226,188.51 is: 339,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,015.62 : 879,057.46 = 226,188.51 : x
  2. Step 2: Convert to fraction form
    586,015.62/879,057.46 = 226,188.51/x
  3. Step 3: Cross multiply
    586,015.62x = 879,057.46 × 226,188.51
  4. Step 4: Simplify right side
    586,015.62x = 198,832,700,248.94
  5. Step 5: Solve for x
    x = 198,832,700,248.94/586,015.62
  6. Step 6: Final answer
    x = 339,295.90

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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.