Home / 340,020.42-469,228.23-187,060.74

Finding the Fourth Proportional to 340,020.42, 469,228.23 and 187,060.74

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Solution

The fourth proportional to 340,020.42, 469,228.23 and 187,060.74 is: 258,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,020.42 : 469,228.23 = 187,060.74 : x
  2. Step 2: Convert to fraction form
    340,020.42/469,228.23 = 187,060.74/x
  3. Step 3: Cross multiply
    340,020.42x = 469,228.23 × 187,060.74
  4. Step 4: Simplify right side
    340,020.42x = 87,774,179,932.69
  5. Step 5: Solve for x
    x = 87,774,179,932.69/340,020.42
  6. Step 6: Final answer
    x = 258,143.85

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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.