Home / 458,381.17-632,536.09-254,422.36

Finding the Fourth Proportional to 458,381.17, 632,536.09 and 254,422.36

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Solution

The fourth proportional to 458,381.17, 632,536.09 and 254,422.36 is: 351,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,381.17 : 632,536.09 = 254,422.36 : x
  2. Step 2: Convert to fraction form
    458,381.17/632,536.09 = 254,422.36/x
  3. Step 3: Cross multiply
    458,381.17x = 632,536.09 × 254,422.36
  4. Step 4: Simplify right side
    458,381.17x = 160,931,324,802.97
  5. Step 5: Solve for x
    x = 160,931,324,802.97/458,381.17
  6. Step 6: Final answer
    x = 351,086.25

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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.