Home / 286,621.56-395,528.13-159,294.42

Finding the Fourth Proportional to 286,621.56, 395,528.13 and 159,294.42

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Solution

The fourth proportional to 286,621.56, 395,528.13 and 159,294.42 is: 219,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,621.56 : 395,528.13 = 159,294.42 : x
  2. Step 2: Convert to fraction form
    286,621.56/395,528.13 = 159,294.42/x
  3. Step 3: Cross multiply
    286,621.56x = 395,528.13 × 159,294.42
  4. Step 4: Simplify right side
    286,621.56x = 63,005,424,062.03
  5. Step 5: Solve for x
    x = 63,005,424,062.03/286,621.56
  6. Step 6: Final answer
    x = 219,820.95

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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.