Home / 318,019.38-438,841.02-182,022.40

Finding the Fourth Proportional to 318,019.38, 438,841.02 and 182,022.40

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Solution

The fourth proportional to 318,019.38, 438,841.02 and 182,022.40 is: 251,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,019.38 : 438,841.02 = 182,022.40 : x
  2. Step 2: Convert to fraction form
    318,019.38/438,841.02 = 182,022.40/x
  3. Step 3: Cross multiply
    318,019.38x = 438,841.02 × 182,022.40
  4. Step 4: Simplify right side
    318,019.38x = 79,878,895,678.85
  5. Step 5: Solve for x
    x = 79,878,895,678.85/318,019.38
  6. Step 6: Final answer
    x = 251,176.19

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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.