Home / 382,719.32-574,055.94-169,424.78

Finding the Fourth Proportional to 382,719.32, 574,055.94 and 169,424.78

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Solution

The fourth proportional to 382,719.32, 574,055.94 and 169,424.78 is: 254,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,719.32 : 574,055.94 = 169,424.78 : x
  2. Step 2: Convert to fraction form
    382,719.32/574,055.94 = 169,424.78/x
  3. Step 3: Cross multiply
    382,719.32x = 574,055.94 × 169,424.78
  4. Step 4: Simplify right side
    382,719.32x = 97,259,301,342.19
  5. Step 5: Solve for x
    x = 97,259,301,342.19/382,719.32
  6. Step 6: Final answer
    x = 254,126.97

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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.