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Finding the Fourth Proportional to 442,627.37, 610,825.75 and 251,640.76

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Solution

The fourth proportional to 442,627.37, 610,825.75 and 251,640.76 is: 347,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,627.37 : 610,825.75 = 251,640.76 : x
  2. Step 2: Convert to fraction form
    442,627.37/610,825.75 = 251,640.76/x
  3. Step 3: Cross multiply
    442,627.37x = 610,825.75 × 251,640.76
  4. Step 4: Simplify right side
    442,627.37x = 153,708,655,957.57
  5. Step 5: Solve for x
    x = 153,708,655,957.57/442,627.37
  6. Step 6: Final answer
    x = 347,264.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.