Home / 274,985.20-412,420.20-134,844.40

Finding the Fourth Proportional to 274,985.20, 412,420.20 and 134,844.40

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Solution

The fourth proportional to 274,985.20, 412,420.20 and 134,844.40 is: 202,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,985.20 : 412,420.20 = 134,844.40 : x
  2. Step 2: Convert to fraction form
    274,985.20/412,420.20 = 134,844.40/x
  3. Step 3: Cross multiply
    274,985.20x = 412,420.20 × 134,844.40
  4. Step 4: Simplify right side
    274,985.20x = 55,612,554,416.88
  5. Step 5: Solve for x
    x = 55,612,554,416.88/274,985.20
  6. Step 6: Final answer
    x = 202,238.35

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1.5x scale

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.