Home / 440,315.71-660,265.35-170,570.18

Finding the Fourth Proportional to 440,315.71, 660,265.35 and 170,570.18

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Solution

The fourth proportional to 440,315.71, 660,265.35 and 170,570.18 is: 255,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,315.71 : 660,265.35 = 170,570.18 : x
  2. Step 2: Convert to fraction form
    440,315.71/660,265.35 = 170,570.18/x
  3. Step 3: Cross multiply
    440,315.71x = 660,265.35 × 170,570.18
  4. Step 4: Simplify right side
    440,315.71x = 112,621,579,597.26
  5. Step 5: Solve for x
    x = 112,621,579,597.26/440,315.71
  6. Step 6: Final answer
    x = 255,774.61

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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.