Home / 247,327.75-341,312.31-139,895.47

Finding the Fourth Proportional to 247,327.75, 341,312.31 and 139,895.47

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Solution

The fourth proportional to 247,327.75, 341,312.31 and 139,895.47 is: 193,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,327.75 : 341,312.31 = 139,895.47 : x
  2. Step 2: Convert to fraction form
    247,327.75/341,312.31 = 139,895.47/x
  3. Step 3: Cross multiply
    247,327.75x = 341,312.31 × 139,895.47
  4. Step 4: Simplify right side
    247,327.75x = 47,748,046,024.24
  5. Step 5: Solve for x
    x = 47,748,046,024.24/247,327.75
  6. Step 6: Final answer
    x = 193,055.76

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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.