Home / 215,557.95-297,470.27-117,440.70

Finding the Fourth Proportional to 215,557.95, 297,470.27 and 117,440.70

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Solution

The fourth proportional to 215,557.95, 297,470.27 and 117,440.70 is: 162,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,557.95 : 297,470.27 = 117,440.70 : x
  2. Step 2: Convert to fraction form
    215,557.95/297,470.27 = 117,440.70/x
  3. Step 3: Cross multiply
    215,557.95x = 297,470.27 × 117,440.70
  4. Step 4: Simplify right side
    215,557.95x = 34,935,118,216.82
  5. Step 5: Solve for x
    x = 34,935,118,216.82/215,557.95
  6. Step 6: Final answer
    x = 162,068.33

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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.