Home / 403,619.95-556,998.36-231,545.43

Finding the Fourth Proportional to 403,619.95, 556,998.36 and 231,545.43

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Solution

The fourth proportional to 403,619.95, 556,998.36 and 231,545.43 is: 319,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,619.95 : 556,998.36 = 231,545.43 : x
  2. Step 2: Convert to fraction form
    403,619.95/556,998.36 = 231,545.43/x
  3. Step 3: Cross multiply
    403,619.95x = 556,998.36 × 231,545.43
  4. Step 4: Simplify right side
    403,619.95x = 128,970,424,775.50
  5. Step 5: Solve for x
    x = 128,970,424,775.50/403,619.95
  6. Step 6: Final answer
    x = 319,534.32

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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.