Home / 288,899.20-433,604.80-170,422.40

Finding the Fourth Proportional to 288,899.20, 433,604.80 and 170,422.40

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Solution

The fourth proportional to 288,899.20, 433,604.80 and 170,422.40 is: 255,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,899.20 : 433,604.80 = 170,422.40 : x
  2. Step 2: Convert to fraction form
    288,899.20/433,604.80 = 170,422.40/x
  3. Step 3: Cross multiply
    288,899.20x = 433,604.80 × 170,422.40
  4. Step 4: Simplify right side
    288,899.20x = 73,895,970,667.52
  5. Step 5: Solve for x
    x = 73,895,970,667.52/288,899.20
  6. Step 6: Final answer
    x = 255,784.62

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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.