Home / 379,669.63-569,288.85-154,766.65

Finding the Fourth Proportional to 379,669.63, 569,288.85 and 154,766.65

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Solution

The fourth proportional to 379,669.63, 569,288.85 and 154,766.65 is: 232,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,669.63 : 569,288.85 = 154,766.65 : x
  2. Step 2: Convert to fraction form
    379,669.63/569,288.85 = 154,766.65/x
  3. Step 3: Cross multiply
    379,669.63x = 569,288.85 × 154,766.65
  4. Step 4: Simplify right side
    379,669.63x = 88,106,928,196.85
  5. Step 5: Solve for x
    x = 88,106,928,196.85/379,669.63
  6. Step 6: Final answer
    x = 232,062.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.