Home / 394,987.47-592,341.08-142,200.08

Finding the Fourth Proportional to 394,987.47, 592,341.08 and 142,200.08

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Solution

The fourth proportional to 394,987.47, 592,341.08 and 142,200.08 is: 213,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,987.47 : 592,341.08 = 142,200.08 : x
  2. Step 2: Convert to fraction form
    394,987.47/592,341.08 = 142,200.08/x
  3. Step 3: Cross multiply
    394,987.47x = 592,341.08 × 142,200.08
  4. Step 4: Simplify right side
    394,987.47x = 84,230,948,963.29
  5. Step 5: Solve for x
    x = 84,230,948,963.29/394,987.47
  6. Step 6: Final answer
    x = 213,249.67

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1.5x scale

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.