Home / 247,639.10-371,349.30-97,829.60

Finding the Fourth Proportional to 247,639.10, 371,349.30 and 97,829.60

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Solution

The fourth proportional to 247,639.10, 371,349.30 and 97,829.60 is: 146,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,639.10 : 371,349.30 = 97,829.60 : x
  2. Step 2: Convert to fraction form
    247,639.10/371,349.30 = 97,829.60/x
  3. Step 3: Cross multiply
    247,639.10x = 371,349.30 × 97,829.60
  4. Step 4: Simplify right side
    247,639.10x = 36,328,953,479.28
  5. Step 5: Solve for x
    x = 36,328,953,479.28/247,639.10
  6. Step 6: Final answer
    x = 146,701.20

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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.