Home / 297,538.52-446,311.40-87,180.72

Finding the Fourth Proportional to 297,538.52, 446,311.40 and 87,180.72

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Solution

The fourth proportional to 297,538.52, 446,311.40 and 87,180.72 is: 130,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,538.52 : 446,311.40 = 87,180.72 : x
  2. Step 2: Convert to fraction form
    297,538.52/446,311.40 = 87,180.72/x
  3. Step 3: Cross multiply
    297,538.52x = 446,311.40 × 87,180.72
  4. Step 4: Simplify right side
    297,538.52x = 38,909,749,196.21
  5. Step 5: Solve for x
    x = 38,909,749,196.21/297,538.52
  6. Step 6: Final answer
    x = 130,772.14

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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.