Home / 486,208.29-671,001.12-271,390.35

Finding the Fourth Proportional to 486,208.29, 671,001.12 and 271,390.35

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Solution

The fourth proportional to 486,208.29, 671,001.12 and 271,390.35 is: 374,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,208.29 : 671,001.12 = 271,390.35 : x
  2. Step 2: Convert to fraction form
    486,208.29/671,001.12 = 271,390.35/x
  3. Step 3: Cross multiply
    486,208.29x = 671,001.12 × 271,390.35
  4. Step 4: Simplify right side
    486,208.29x = 182,103,228,807.19
  5. Step 5: Solve for x
    x = 182,103,228,807.19/486,208.29
  6. Step 6: Final answer
    x = 374,537.48

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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.