Home / 438,376.08-604,959.12-247,429.92

Finding the Fourth Proportional to 438,376.08, 604,959.12 and 247,429.92

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Solution

The fourth proportional to 438,376.08, 604,959.12 and 247,429.92 is: 341,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,376.08 : 604,959.12 = 247,429.92 : x
  2. Step 2: Convert to fraction form
    438,376.08/604,959.12 = 247,429.92/x
  3. Step 3: Cross multiply
    438,376.08x = 604,959.12 × 247,429.92
  4. Step 4: Simplify right side
    438,376.08x = 149,684,986,664.87
  5. Step 5: Solve for x
    x = 149,684,986,664.87/438,376.08
  6. Step 6: Final answer
    x = 341,453.36

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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.