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Finding the Fourth Proportional to 247,671.26, 371,510.32 and 70,178.10

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Solution

The fourth proportional to 247,671.26, 371,510.32 and 70,178.10 is: 105,268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,671.26 : 371,510.32 = 70,178.10 : x
  2. Step 2: Convert to fraction form
    247,671.26/371,510.32 = 70,178.10/x
  3. Step 3: Cross multiply
    247,671.26x = 371,510.32 × 70,178.10
  4. Step 4: Simplify right side
    247,671.26x = 26,071,888,387.99
  5. Step 5: Solve for x
    x = 26,071,888,387.99/247,671.26
  6. Step 6: Final answer
    x = 105,268.12

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1.5x scale

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.