Home / 486,001.10-670,681.94-271,141.21

Finding the Fourth Proportional to 486,001.10, 670,681.94 and 271,141.21

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Solution

The fourth proportional to 486,001.10, 670,681.94 and 271,141.21 is: 374,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,001.10 : 670,681.94 = 271,141.21 : x
  2. Step 2: Convert to fraction form
    486,001.10/670,681.94 = 271,141.21/x
  3. Step 3: Cross multiply
    486,001.10x = 670,681.94 × 271,141.21
  4. Step 4: Simplify right side
    486,001.10x = 181,849,512,736.75
  5. Step 5: Solve for x
    x = 181,849,512,736.75/486,001.10
  6. Step 6: Final answer
    x = 374,175.11

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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.