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Finding the Fourth Proportional to 663,646.28, 995,473.02 and 165,010.28

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Solution

The fourth proportional to 663,646.28, 995,473.02 and 165,010.28 is: 247,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,646.28 : 995,473.02 = 165,010.28 : x
  2. Step 2: Convert to fraction form
    663,646.28/995,473.02 = 165,010.28/x
  3. Step 3: Cross multiply
    663,646.28x = 995,473.02 × 165,010.28
  4. Step 4: Simplify right side
    663,646.28x = 164,263,281,762.65
  5. Step 5: Solve for x
    x = 164,263,281,762.65/663,646.28
  6. Step 6: Final answer
    x = 247,516.32

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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.