Home / 286,480.84-395,344.02-159,157.48

Finding the Fourth Proportional to 286,480.84, 395,344.02 and 159,157.48

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Solution

The fourth proportional to 286,480.84, 395,344.02 and 159,157.48 is: 219,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,480.84 : 395,344.02 = 159,157.48 : x
  2. Step 2: Convert to fraction form
    286,480.84/395,344.02 = 159,157.48/x
  3. Step 3: Cross multiply
    286,480.84x = 395,344.02 × 159,157.48
  4. Step 4: Simplify right side
    286,480.84x = 62,921,957,956.27
  5. Step 5: Solve for x
    x = 62,921,957,956.27/286,480.84
  6. Step 6: Final answer
    x = 219,637.58

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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.