Home / 386,444.70-579,667.05-102,134.70

Finding the Fourth Proportional to 386,444.70, 579,667.05 and 102,134.70

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Solution

The fourth proportional to 386,444.70, 579,667.05 and 102,134.70 is: 153,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,444.70 : 579,667.05 = 102,134.70 : x
  2. Step 2: Convert to fraction form
    386,444.70/579,667.05 = 102,134.70/x
  3. Step 3: Cross multiply
    386,444.70x = 579,667.05 × 102,134.70
  4. Step 4: Simplify right side
    386,444.70x = 59,204,120,251.64
  5. Step 5: Solve for x
    x = 59,204,120,251.64/386,444.70
  6. Step 6: Final answer
    x = 153,202.05

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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.