Home / 288,928.40-432,955.20-195,324.80

Finding the Fourth Proportional to 288,928.40, 432,955.20 and 195,324.80

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Solution

The fourth proportional to 288,928.40, 432,955.20 and 195,324.80 is: 292,691.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,928.40 : 432,955.20 = 195,324.80 : x
  2. Step 2: Convert to fraction form
    288,928.40/432,955.20 = 195,324.80/x
  3. Step 3: Cross multiply
    288,928.40x = 432,955.20 × 195,324.80
  4. Step 4: Simplify right side
    288,928.40x = 84,566,887,848.96
  5. Step 5: Solve for x
    x = 84,566,887,848.96/288,928.40
  6. Step 6: Final answer
    x = 292,691.50

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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.