Home / 207,151.26-310,443.39-156,508.65

Finding the Fourth Proportional to 207,151.26, 310,443.39 and 156,508.65

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Solution

The fourth proportional to 207,151.26, 310,443.39 and 156,508.65 is: 234,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,151.26 : 310,443.39 = 156,508.65 : x
  2. Step 2: Convert to fraction form
    207,151.26/310,443.39 = 156,508.65/x
  3. Step 3: Cross multiply
    207,151.26x = 310,443.39 × 156,508.65
  4. Step 4: Simplify right side
    207,151.26x = 48,587,075,870.32
  5. Step 5: Solve for x
    x = 48,587,075,870.32/207,151.26
  6. Step 6: Final answer
    x = 234,548.79

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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.