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Finding the Fourth Proportional to 230,450.78, 345,726.92 and 70,527.95

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Solution

The fourth proportional to 230,450.78, 345,726.92 and 70,527.95 is: 105,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,450.78 : 345,726.92 = 70,527.95 : x
  2. Step 2: Convert to fraction form
    230,450.78/345,726.92 = 70,527.95/x
  3. Step 3: Cross multiply
    230,450.78x = 345,726.92 × 70,527.95
  4. Step 4: Simplify right side
    230,450.78x = 24,383,409,843.13
  5. Step 5: Solve for x
    x = 24,383,409,843.13/230,450.78
  6. Step 6: Final answer
    x = 105,807.45

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1.5x scale

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.