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Finding the Fourth Proportional to 177,465.70, 266,198.55 and 163,948.90

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Solution

The fourth proportional to 177,465.70, 266,198.55 and 163,948.90 is: 245,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,465.70 : 266,198.55 = 163,948.90 : x
  2. Step 2: Convert to fraction form
    177,465.70/266,198.55 = 163,948.90/x
  3. Step 3: Cross multiply
    177,465.70x = 266,198.55 × 163,948.90
  4. Step 4: Simplify right side
    177,465.70x = 43,642,959,454.10
  5. Step 5: Solve for x
    x = 43,642,959,454.10/177,465.70
  6. Step 6: Final answer
    x = 245,923.35

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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.