Home / 330,280.23-495,293.58-140,620.35

Finding the Fourth Proportional to 330,280.23, 495,293.58 and 140,620.35

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Solution

The fourth proportional to 330,280.23, 495,293.58 and 140,620.35 is: 210,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,280.23 : 495,293.58 = 140,620.35 : x
  2. Step 2: Convert to fraction form
    330,280.23/495,293.58 = 140,620.35/x
  3. Step 3: Cross multiply
    330,280.23x = 495,293.58 × 140,620.35
  4. Step 4: Simplify right side
    330,280.23x = 69,648,356,572.35
  5. Step 5: Solve for x
    x = 69,648,356,572.35/330,280.23
  6. Step 6: Final answer
    x = 210,876.55

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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.