Home / 247,534.50-341,569.20-138,623.64

Finding the Fourth Proportional to 247,534.50, 341,569.20 and 138,623.64

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Solution

The fourth proportional to 247,534.50, 341,569.20 and 138,623.64 is: 191,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,534.50 : 341,569.20 = 138,623.64 : x
  2. Step 2: Convert to fraction form
    247,534.50/341,569.20 = 138,623.64/x
  3. Step 3: Cross multiply
    247,534.50x = 341,569.20 × 138,623.64
  4. Step 4: Simplify right side
    247,534.50x = 47,349,565,815.89
  5. Step 5: Solve for x
    x = 47,349,565,815.89/247,534.50
  6. Step 6: Final answer
    x = 191,284.71

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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.