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Finding the Fourth Proportional to 360,920.17, 498,180.88 and 208,060.60

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Solution

The fourth proportional to 360,920.17, 498,180.88 and 208,060.60 is: 287,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,920.17 : 498,180.88 = 208,060.60 : x
  2. Step 2: Convert to fraction form
    360,920.17/498,180.88 = 208,060.60/x
  3. Step 3: Cross multiply
    360,920.17x = 498,180.88 × 208,060.60
  4. Step 4: Simplify right side
    360,920.17x = 103,651,812,750.04
  5. Step 5: Solve for x
    x = 103,651,812,750.04/360,920.17
  6. Step 6: Final answer
    x = 287,187.64

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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.