Home / 286,929.72-395,950.86-159,604.92

Finding the Fourth Proportional to 286,929.72, 395,950.86 and 159,604.92

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Solution

The fourth proportional to 286,929.72, 395,950.86 and 159,604.92 is: 220,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,929.72 : 395,950.86 = 159,604.92 : x
  2. Step 2: Convert to fraction form
    286,929.72/395,950.86 = 159,604.92/x
  3. Step 3: Cross multiply
    286,929.72x = 395,950.86 × 159,604.92
  4. Step 4: Simplify right side
    286,929.72x = 63,195,705,334.23
  5. Step 5: Solve for x
    x = 63,195,705,334.23/286,929.72
  6. Step 6: Final answer
    x = 220,248.03

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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.