Home / 330,283.24-495,298.08-140,623.36

Finding the Fourth Proportional to 330,283.24, 495,298.08 and 140,623.36

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Solution

The fourth proportional to 330,283.24, 495,298.08 and 140,623.36 is: 210,881.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,283.24 : 495,298.08 = 140,623.36 : x
  2. Step 2: Convert to fraction form
    330,283.24/495,298.08 = 140,623.36/x
  3. Step 3: Cross multiply
    330,283.24x = 495,298.08 × 140,623.36
  4. Step 4: Simplify right side
    330,283.24x = 69,650,480,211.15
  5. Step 5: Solve for x
    x = 69,650,480,211.15/330,283.24
  6. Step 6: Final answer
    x = 210,881.06

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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.