Home / 324,621.80-487,515.90-235,975.40

Finding the Fourth Proportional to 324,621.80, 487,515.90 and 235,975.40

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Solution

The fourth proportional to 324,621.80, 487,515.90 and 235,975.40 is: 354,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,621.80 : 487,515.90 = 235,975.40 : x
  2. Step 2: Convert to fraction form
    324,621.80/487,515.90 = 235,975.40/x
  3. Step 3: Cross multiply
    324,621.80x = 487,515.90 × 235,975.40
  4. Step 4: Simplify right side
    324,621.80x = 115,041,759,508.86
  5. Step 5: Solve for x
    x = 115,041,759,508.86/324,621.80
  6. Step 6: Final answer
    x = 354,387.04

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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.