Home / 394,985.47-592,338.08-142,198.08

Finding the Fourth Proportional to 394,985.47, 592,338.08 and 142,198.08

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Solution

The fourth proportional to 394,985.47, 592,338.08 and 142,198.08 is: 213,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,985.47 : 592,338.08 = 142,198.08 : x
  2. Step 2: Convert to fraction form
    394,985.47/592,338.08 = 142,198.08/x
  3. Step 3: Cross multiply
    394,985.47x = 592,338.08 × 142,198.08
  4. Step 4: Simplify right side
    394,985.47x = 84,229,337,686.89
  5. Step 5: Solve for x
    x = 84,229,337,686.89/394,985.47
  6. Step 6: Final answer
    x = 213,246.67

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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.