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Finding the Fourth Proportional to 646,899.94, 970,316.70 and 247,510

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Solution

The fourth proportional to 646,899.94, 970,316.70 and 247,510 is: 371,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,899.94 : 970,316.70 = 247,510 : x
  2. Step 2: Convert to fraction form
    646,899.94/970,316.70 = 247,510/x
  3. Step 3: Cross multiply
    646,899.94x = 970,316.70 × 247,510
  4. Step 4: Simplify right side
    646,899.94x = 240,163,086,417
  5. Step 5: Solve for x
    x = 240,163,086,417/646,899.94
  6. Step 6: Final answer
    x = 371,252.29

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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.