Home / 403,451.26-604,896.63-178,689.22

Finding the Fourth Proportional to 403,451.26, 604,896.63 and 178,689.22

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Solution

The fourth proportional to 403,451.26, 604,896.63 and 178,689.22 is: 267,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,451.26 : 604,896.63 = 178,689.22 : x
  2. Step 2: Convert to fraction form
    403,451.26/604,896.63 = 178,689.22/x
  3. Step 3: Cross multiply
    403,451.26x = 604,896.63 × 178,689.22
  4. Step 4: Simplify right side
    403,451.26x = 108,088,506,995.33
  5. Step 5: Solve for x
    x = 108,088,506,995.33/403,451.26
  6. Step 6: Final answer
    x = 267,909.70

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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.