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Finding the Fourth Proportional to 279,601.65, 385,854.67 and 152,277.14

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Solution

The fourth proportional to 279,601.65, 385,854.67 and 152,277.14 is: 210,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,601.65 : 385,854.67 = 152,277.14 : x
  2. Step 2: Convert to fraction form
    279,601.65/385,854.67 = 152,277.14/x
  3. Step 3: Cross multiply
    279,601.65x = 385,854.67 × 152,277.14
  4. Step 4: Simplify right side
    279,601.65x = 58,756,846,758.23
  5. Step 5: Solve for x
    x = 58,756,846,758.23/279,601.65
  6. Step 6: Final answer
    x = 210,144.85

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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.