Home / 247,622.10-371,323.80-97,812.60

Finding the Fourth Proportional to 247,622.10, 371,323.80 and 97,812.60

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Solution

The fourth proportional to 247,622.10, 371,323.80 and 97,812.60 is: 146,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,622.10 : 371,323.80 = 97,812.60 : x
  2. Step 2: Convert to fraction form
    247,622.10/371,323.80 = 97,812.60/x
  3. Step 3: Cross multiply
    247,622.10x = 371,323.80 × 97,812.60
  4. Step 4: Simplify right side
    247,622.10x = 36,320,146,319.88
  5. Step 5: Solve for x
    x = 36,320,146,319.88/247,622.10
  6. Step 6: Final answer
    x = 146,675.71

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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.