Home / 331,485.20-497,616.60-329,152.40

Finding the Fourth Proportional to 331,485.20, 497,616.60 and 329,152.40

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Solution

The fourth proportional to 331,485.20, 497,616.60 and 329,152.40 is: 494,114.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,485.20 : 497,616.60 = 329,152.40 : x
  2. Step 2: Convert to fraction form
    331,485.20/497,616.60 = 329,152.40/x
  3. Step 3: Cross multiply
    331,485.20x = 497,616.60 × 329,152.40
  4. Step 4: Simplify right side
    331,485.20x = 163,791,698,169.84
  5. Step 5: Solve for x
    x = 163,791,698,169.84/331,485.20
  6. Step 6: Final answer
    x = 494,114.66

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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.