Home / 207,455.38-285,686.04-180,219.04

Finding the Fourth Proportional to 207,455.38, 285,686.04 and 180,219.04

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Solution

The fourth proportional to 207,455.38, 285,686.04 and 180,219.04 is: 248,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,455.38 : 285,686.04 = 180,219.04 : x
  2. Step 2: Convert to fraction form
    207,455.38/285,686.04 = 180,219.04/x
  3. Step 3: Cross multiply
    207,455.38x = 285,686.04 × 180,219.04
  4. Step 4: Simplify right side
    207,455.38x = 51,486,063,870.20
  5. Step 5: Solve for x
    x = 51,486,063,870.20/207,455.38
  6. Step 6: Final answer
    x = 248,178.98

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1.5x scale

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.