Home / 614,619.15-922,064.13-188,158.20

Finding the Fourth Proportional to 614,619.15, 922,064.13 and 188,158.20

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Solution

The fourth proportional to 614,619.15, 922,064.13 and 188,158.20 is: 282,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,619.15 : 922,064.13 = 188,158.20 : x
  2. Step 2: Convert to fraction form
    614,619.15/922,064.13 = 188,158.20/x
  3. Step 3: Cross multiply
    614,619.15x = 922,064.13 × 188,158.20
  4. Step 4: Simplify right side
    614,619.15x = 173,493,921,434.25
  5. Step 5: Solve for x
    x = 173,493,921,434.25/614,619.15
  6. Step 6: Final answer
    x = 282,278.75

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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.