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Finding the Fourth Proportional to 440,319.32, 660,270.80 and 170,573.80

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Solution

The fourth proportional to 440,319.32, 660,270.80 and 170,573.80 is: 255,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,319.32 : 660,270.80 = 170,573.80 : x
  2. Step 2: Convert to fraction form
    440,319.32/660,270.80 = 170,573.80/x
  3. Step 3: Cross multiply
    440,319.32x = 660,270.80 × 170,573.80
  4. Step 4: Simplify right side
    440,319.32x = 112,624,899,385.04
  5. Step 5: Solve for x
    x = 112,624,899,385.04/440,319.32
  6. Step 6: Final answer
    x = 255,780.05

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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.