Home / 403,427.15-604,965.75-137,116.16

Finding the Fourth Proportional to 403,427.15, 604,965.75 and 137,116.16

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Solution

The fourth proportional to 403,427.15, 604,965.75 and 137,116.16 is: 205,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,427.15 : 604,965.75 = 137,116.16 : x
  2. Step 2: Convert to fraction form
    403,427.15/604,965.75 = 137,116.16/x
  3. Step 3: Cross multiply
    403,427.15x = 604,965.75 × 137,116.16
  4. Step 4: Simplify right side
    403,427.15x = 82,950,577,546.69
  5. Step 5: Solve for x
    x = 82,950,577,546.69/403,427.15
  6. Step 6: Final answer
    x = 205,614.76

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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.