Home / 324,948.42-487,432.71-88,290.18

Finding the Fourth Proportional to 324,948.42, 487,432.71 and 88,290.18

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Solution

The fourth proportional to 324,948.42, 487,432.71 and 88,290.18 is: 132,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,948.42 : 487,432.71 = 88,290.18 : x
  2. Step 2: Convert to fraction form
    324,948.42/487,432.71 = 88,290.18/x
  3. Step 3: Cross multiply
    324,948.42x = 487,432.71 × 88,290.18
  4. Step 4: Simplify right side
    324,948.42x = 43,035,521,703.79
  5. Step 5: Solve for x
    x = 43,035,521,703.79/324,948.42
  6. Step 6: Final answer
    x = 132,438.01

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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.