Home / 485,041.16-669,339.22-270,176.80

Finding the Fourth Proportional to 485,041.16, 669,339.22 and 270,176.80

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Solution

The fourth proportional to 485,041.16, 669,339.22 and 270,176.80 is: 372,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,041.16 : 669,339.22 = 270,176.80 : x
  2. Step 2: Convert to fraction form
    485,041.16/669,339.22 = 270,176.80/x
  3. Step 3: Cross multiply
    485,041.16x = 669,339.22 × 270,176.80
  4. Step 4: Simplify right side
    485,041.16x = 180,839,928,574.10
  5. Step 5: Solve for x
    x = 180,839,928,574.10/485,041.16
  6. Step 6: Final answer
    x = 372,834.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.