Home / 486,934.51-671,965.97-269,157.50

Finding the Fourth Proportional to 486,934.51, 671,965.97 and 269,157.50

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Solution

The fourth proportional to 486,934.51, 671,965.97 and 269,157.50 is: 371,435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,934.51 : 671,965.97 = 269,157.50 : x
  2. Step 2: Convert to fraction form
    486,934.51/671,965.97 = 269,157.50/x
  3. Step 3: Cross multiply
    486,934.51x = 671,965.97 × 269,157.50
  4. Step 4: Simplify right side
    486,934.51x = 180,864,679,141.54
  5. Step 5: Solve for x
    x = 180,864,679,141.54/486,934.51
  6. Step 6: Final answer
    x = 371,435.33

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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.