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Finding the Fourth Proportional to 247,049.36, 370,483.24 and 84,897.40

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Solution

The fourth proportional to 247,049.36, 370,483.24 and 84,897.40 is: 127,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,049.36 : 370,483.24 = 84,897.40 : x
  2. Step 2: Convert to fraction form
    247,049.36/370,483.24 = 84,897.40/x
  3. Step 3: Cross multiply
    247,049.36x = 370,483.24 × 84,897.40
  4. Step 4: Simplify right side
    247,049.36x = 31,453,063,819.58
  5. Step 5: Solve for x
    x = 31,453,063,819.58/247,049.36
  6. Step 6: Final answer
    x = 127,314.90

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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.