Home / 386,584.68-579,960.30-116,690.21

Finding the Fourth Proportional to 386,584.68, 579,960.30 and 116,690.21

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Solution

The fourth proportional to 386,584.68, 579,960.30 and 116,690.21 is: 175,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,584.68 : 579,960.30 = 116,690.21 : x
  2. Step 2: Convert to fraction form
    386,584.68/579,960.30 = 116,690.21/x
  3. Step 3: Cross multiply
    386,584.68x = 579,960.30 × 116,690.21
  4. Step 4: Simplify right side
    386,584.68x = 67,675,686,298.86
  5. Step 5: Solve for x
    x = 67,675,686,298.86/386,584.68
  6. Step 6: Final answer
    x = 175,060.45

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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.