Home / 288,976.20-433,456.20-131,204.40

Finding the Fourth Proportional to 288,976.20, 433,456.20 and 131,204.40

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Solution

The fourth proportional to 288,976.20, 433,456.20 and 131,204.40 is: 196,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,976.20 : 433,456.20 = 131,204.40 : x
  2. Step 2: Convert to fraction form
    288,976.20/433,456.20 = 131,204.40/x
  3. Step 3: Cross multiply
    288,976.20x = 433,456.20 × 131,204.40
  4. Step 4: Simplify right side
    288,976.20x = 56,871,360,647.28
  5. Step 5: Solve for x
    x = 56,871,360,647.28/288,976.20
  6. Step 6: Final answer
    x = 196,802.92

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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.