Home / 281,741.28-423,138.40-248,019.36

Finding the Fourth Proportional to 281,741.28, 423,138.40 and 248,019.36

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Solution

The fourth proportional to 281,741.28, 423,138.40 and 248,019.36 is: 372,492.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,741.28 : 423,138.40 = 248,019.36 : x
  2. Step 2: Convert to fraction form
    281,741.28/423,138.40 = 248,019.36/x
  3. Step 3: Cross multiply
    281,741.28x = 423,138.40 × 248,019.36
  4. Step 4: Simplify right side
    281,741.28x = 104,946,515,159.42
  5. Step 5: Solve for x
    x = 104,946,515,159.42/281,741.28
  6. Step 6: Final answer
    x = 372,492.51

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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.