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Finding the Fourth Proportional to 653,643.06, 980,465.36 and 204,366.30

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Solution

The fourth proportional to 653,643.06, 980,465.36 and 204,366.30 is: 306,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,643.06 : 980,465.36 = 204,366.30 : x
  2. Step 2: Convert to fraction form
    653,643.06/980,465.36 = 204,366.30/x
  3. Step 3: Cross multiply
    653,643.06x = 980,465.36 × 204,366.30
  4. Step 4: Simplify right side
    653,643.06x = 200,374,077,901.37
  5. Step 5: Solve for x
    x = 200,374,077,901.37/653,643.06
  6. Step 6: Final answer
    x = 306,549.69

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Similar ratio
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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.