Home / 330,279.23-495,292.08-140,619.35

Finding the Fourth Proportional to 330,279.23, 495,292.08 and 140,619.35

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Solution

The fourth proportional to 330,279.23, 495,292.08 and 140,619.35 is: 210,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,279.23 : 495,292.08 = 140,619.35 : x
  2. Step 2: Convert to fraction form
    330,279.23/495,292.08 = 140,619.35/x
  3. Step 3: Cross multiply
    330,279.23x = 495,292.08 × 140,619.35
  4. Step 4: Simplify right side
    330,279.23x = 69,647,650,349.75
  5. Step 5: Solve for x
    x = 69,647,650,349.75/330,279.23
  6. Step 6: Final answer
    x = 210,875.05

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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.