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Finding the Fourth Proportional to 247,673.16, 371,440.62 and 76,911.12

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Solution

The fourth proportional to 247,673.16, 371,440.62 and 76,911.12 is: 115,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,673.16 : 371,440.62 = 76,911.12 : x
  2. Step 2: Convert to fraction form
    247,673.16/371,440.62 = 76,911.12/x
  3. Step 3: Cross multiply
    247,673.16x = 371,440.62 × 76,911.12
  4. Step 4: Simplify right side
    247,673.16x = 28,567,914,097.69
  5. Step 5: Solve for x
    x = 28,567,914,097.69/247,673.16
  6. Step 6: Final answer
    x = 115,345.22

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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.