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Finding the Fourth Proportional to 210,253.35, 290,187.24 and 125,375.88

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Solution

The fourth proportional to 210,253.35, 290,187.24 and 125,375.88 is: 173,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,253.35 : 290,187.24 = 125,375.88 : x
  2. Step 2: Convert to fraction form
    210,253.35/290,187.24 = 125,375.88/x
  3. Step 3: Cross multiply
    210,253.35x = 290,187.24 × 125,375.88
  4. Step 4: Simplify right side
    210,253.35x = 36,382,480,579.77
  5. Step 5: Solve for x
    x = 36,382,480,579.77/210,253.35
  6. Step 6: Final answer
    x = 173,041.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.