Home / 286,962.07-396,008.03-159,637.66

Finding the Fourth Proportional to 286,962.07, 396,008.03 and 159,637.66

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Solution

The fourth proportional to 286,962.07, 396,008.03 and 159,637.66 is: 220,300.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,962.07 : 396,008.03 = 159,637.66 : x
  2. Step 2: Convert to fraction form
    286,962.07/396,008.03 = 159,637.66/x
  3. Step 3: Cross multiply
    286,962.07x = 396,008.03 × 159,637.66
  4. Step 4: Simplify right side
    286,962.07x = 63,217,794,650.80
  5. Step 5: Solve for x
    x = 63,217,794,650.80/286,962.07
  6. Step 6: Final answer
    x = 220,300.18

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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.