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Finding the Fourth Proportional to 440,319.12, 660,270.51 and 170,573.60

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Solution

The fourth proportional to 440,319.12, 660,270.51 and 170,573.60 is: 255,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,319.12 : 660,270.51 = 170,573.60 : x
  2. Step 2: Convert to fraction form
    440,319.12/660,270.51 = 170,573.60/x
  3. Step 3: Cross multiply
    440,319.12x = 660,270.51 × 170,573.60
  4. Step 4: Simplify right side
    440,319.12x = 112,624,717,864.54
  5. Step 5: Solve for x
    x = 112,624,717,864.54/440,319.12
  6. Step 6: Final answer
    x = 255,779.76

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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.