Home / 330,277.23-495,289.08-140,617.35

Finding the Fourth Proportional to 330,277.23, 495,289.08 and 140,617.35

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Solution

The fourth proportional to 330,277.23, 495,289.08 and 140,617.35 is: 210,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,277.23 : 495,289.08 = 140,617.35 : x
  2. Step 2: Convert to fraction form
    330,277.23/495,289.08 = 140,617.35/x
  3. Step 3: Cross multiply
    330,277.23x = 495,289.08 × 140,617.35
  4. Step 4: Simplify right side
    330,277.23x = 69,646,237,913.54
  5. Step 5: Solve for x
    x = 69,646,237,913.54/330,277.23
  6. Step 6: Final answer
    x = 210,872.05

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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.