Home / 395,217.18-592,834.59-142,518.06

Finding the Fourth Proportional to 395,217.18, 592,834.59 and 142,518.06

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Solution

The fourth proportional to 395,217.18, 592,834.59 and 142,518.06 is: 213,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,217.18 : 592,834.59 = 142,518.06 : x
  2. Step 2: Convert to fraction form
    395,217.18/592,834.59 = 142,518.06/x
  3. Step 3: Cross multiply
    395,217.18x = 592,834.59 × 142,518.06
  4. Step 4: Simplify right side
    395,217.18x = 84,489,635,667.70
  5. Step 5: Solve for x
    x = 84,489,635,667.70/395,217.18
  6. Step 6: Final answer
    x = 213,780.27

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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.