Home / 318,077.93-438,947.87-174,834.90

Finding the Fourth Proportional to 318,077.93, 438,947.87 and 174,834.90

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Solution

The fourth proportional to 318,077.93, 438,947.87 and 174,834.90 is: 241,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,077.93 : 438,947.87 = 174,834.90 : x
  2. Step 2: Convert to fraction form
    318,077.93/438,947.87 = 174,834.90/x
  3. Step 3: Cross multiply
    318,077.93x = 438,947.87 × 174,834.90
  4. Step 4: Simplify right side
    318,077.93x = 76,743,406,082.49
  5. Step 5: Solve for x
    x = 76,743,406,082.49/318,077.93
  6. Step 6: Final answer
    x = 241,272.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.