Home / 286,088.95-394,804.29-158,764.65

Finding the Fourth Proportional to 286,088.95, 394,804.29 and 158,764.65

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Solution

The fourth proportional to 286,088.95, 394,804.29 and 158,764.65 is: 219,096.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,088.95 : 394,804.29 = 158,764.65 : x
  2. Step 2: Convert to fraction form
    286,088.95/394,804.29 = 158,764.65/x
  3. Step 3: Cross multiply
    286,088.95x = 394,804.29 × 158,764.65
  4. Step 4: Simplify right side
    286,088.95x = 62,680,964,920.35
  5. Step 5: Solve for x
    x = 62,680,964,920.35/286,088.95
  6. Step 6: Final answer
    x = 219,096.07

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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.