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Finding the Fourth Proportional to 312,304.40, 468,456.52 and 170,269.13

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Solution

The fourth proportional to 312,304.40, 468,456.52 and 170,269.13 is: 255,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,304.40 : 468,456.52 = 170,269.13 : x
  2. Step 2: Convert to fraction form
    312,304.40/468,456.52 = 170,269.13/x
  3. Step 3: Cross multiply
    312,304.40x = 468,456.52 × 170,269.13
  4. Step 4: Simplify right side
    312,304.40x = 79,763,684,103.23
  5. Step 5: Solve for x
    x = 79,763,684,103.23/312,304.40
  6. Step 6: Final answer
    x = 255,403.65

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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.