Home / 278,214.55-417,317.16-88,672.32

Finding the Fourth Proportional to 278,214.55, 417,317.16 and 88,672.32

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Solution

The fourth proportional to 278,214.55, 417,317.16 and 88,672.32 is: 133,007.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,214.55 : 417,317.16 = 88,672.32 : x
  2. Step 2: Convert to fraction form
    278,214.55/417,317.16 = 88,672.32/x
  3. Step 3: Cross multiply
    278,214.55x = 417,317.16 × 88,672.32
  4. Step 4: Simplify right side
    278,214.55x = 37,004,481,085.53
  5. Step 5: Solve for x
    x = 37,004,481,085.53/278,214.55
  6. Step 6: Final answer
    x = 133,007.00

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1.5x scale

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.