Home / 297,739.38-446,541.75-87,393.72

Finding the Fourth Proportional to 297,739.38, 446,541.75 and 87,393.72

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Solution

The fourth proportional to 297,739.38, 446,541.75 and 87,393.72 is: 131,070.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,739.38 : 446,541.75 = 87,393.72 : x
  2. Step 2: Convert to fraction form
    297,739.38/446,541.75 = 87,393.72/x
  3. Step 3: Cross multiply
    297,739.38x = 446,541.75 × 87,393.72
  4. Step 4: Simplify right side
    297,739.38x = 39,024,944,667.81
  5. Step 5: Solve for x
    x = 39,024,944,667.81/297,739.38
  6. Step 6: Final answer
    x = 131,070.82

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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.