Home / 210,116.28-313,535.64-187,471.30

Finding the Fourth Proportional to 210,116.28, 313,535.64 and 187,471.30

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Solution

The fourth proportional to 210,116.28, 313,535.64 and 187,471.30 is: 279,744.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,116.28 : 313,535.64 = 187,471.30 : x
  2. Step 2: Convert to fraction form
    210,116.28/313,535.64 = 187,471.30/x
  3. Step 3: Cross multiply
    210,116.28x = 313,535.64 × 187,471.30
  4. Step 4: Simplify right side
    210,116.28x = 58,778,934,027.13
  5. Step 5: Solve for x
    x = 58,778,934,027.13/210,116.28
  6. Step 6: Final answer
    x = 279,744.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.