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Finding the Fourth Proportional to 183,031.40, 274,328.40 and 94,239.20

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Solution

The fourth proportional to 183,031.40, 274,328.40 and 94,239.20 is: 141,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,031.40 : 274,328.40 = 94,239.20 : x
  2. Step 2: Convert to fraction form
    183,031.40/274,328.40 = 94,239.20/x
  3. Step 3: Cross multiply
    183,031.40x = 274,328.40 × 94,239.20
  4. Step 4: Simplify right side
    183,031.40x = 25,852,488,953.28
  5. Step 5: Solve for x
    x = 25,852,488,953.28/183,031.40
  6. Step 6: Final answer
    x = 141,246.20

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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.