Home / 297,439.80-446,159.66-87,077.72

Finding the Fourth Proportional to 297,439.80, 446,159.66 and 87,077.72

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Solution

The fourth proportional to 297,439.80, 446,159.66 and 87,077.72 is: 130,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,439.80 : 446,159.66 = 87,077.72 : x
  2. Step 2: Convert to fraction form
    297,439.80/446,159.66 = 87,077.72/x
  3. Step 3: Cross multiply
    297,439.80x = 446,159.66 × 87,077.72
  4. Step 4: Simplify right side
    297,439.80x = 38,850,565,948.78
  5. Step 5: Solve for x
    x = 38,850,565,948.78/297,439.80
  6. Step 6: Final answer
    x = 130,616.57

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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.