Home / 247,747.64-371,621.32-70,256.12

Finding the Fourth Proportional to 247,747.64, 371,621.32 and 70,256.12

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Solution

The fourth proportional to 247,747.64, 371,621.32 and 70,256.12 is: 105,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,747.64 : 371,621.32 = 70,256.12 : x
  2. Step 2: Convert to fraction form
    247,747.64/371,621.32 = 70,256.12/x
  3. Step 3: Cross multiply
    247,747.64x = 371,621.32 × 70,256.12
  4. Step 4: Simplify right side
    247,747.64x = 26,108,670,018.73
  5. Step 5: Solve for x
    x = 26,108,670,018.73/247,747.64
  6. Step 6: Final answer
    x = 105,384.13

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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.