Home / 628,471.17-942,708.69-155,156.58

Finding the Fourth Proportional to 628,471.17, 942,708.69 and 155,156.58

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Solution

The fourth proportional to 628,471.17, 942,708.69 and 155,156.58 is: 232,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,471.17 : 942,708.69 = 155,156.58 : x
  2. Step 2: Convert to fraction form
    628,471.17/942,708.69 = 155,156.58/x
  3. Step 3: Cross multiply
    628,471.17x = 942,708.69 × 155,156.58
  4. Step 4: Simplify right side
    628,471.17x = 146,267,456,276.68
  5. Step 5: Solve for x
    x = 146,267,456,276.68/628,471.17
  6. Step 6: Final answer
    x = 232,735.35

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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.