Home / 324,946.04-487,238-100,242.72

Finding the Fourth Proportional to 324,946.04, 487,238 and 100,242.72

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Solution

The fourth proportional to 324,946.04, 487,238 and 100,242.72 is: 150,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,946.04 : 487,238 = 100,242.72 : x
  2. Step 2: Convert to fraction form
    324,946.04/487,238 = 100,242.72/x
  3. Step 3: Cross multiply
    324,946.04x = 487,238 × 100,242.72
  4. Step 4: Simplify right side
    324,946.04x = 48,842,062,407.36
  5. Step 5: Solve for x
    x = 48,842,062,407.36/324,946.04
  6. Step 6: Final answer
    x = 150,308.22

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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.