Home / 208,330.28-287,475.24-116,432.60

Finding the Fourth Proportional to 208,330.28, 287,475.24 and 116,432.60

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Solution

The fourth proportional to 208,330.28, 287,475.24 and 116,432.60 is: 160,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,330.28 : 287,475.24 = 116,432.60 : x
  2. Step 2: Convert to fraction form
    208,330.28/287,475.24 = 116,432.60/x
  3. Step 3: Cross multiply
    208,330.28x = 287,475.24 × 116,432.60
  4. Step 4: Simplify right side
    208,330.28x = 33,471,489,628.82
  5. Step 5: Solve for x
    x = 33,471,489,628.82/208,330.28
  6. Step 6: Final answer
    x = 160,665.50

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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.