Home / 305,014.71-457,583.22-105,342.42

Finding the Fourth Proportional to 305,014.71, 457,583.22 and 105,342.42

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Solution

The fourth proportional to 305,014.71, 457,583.22 and 105,342.42 is: 158,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,014.71 : 457,583.22 = 105,342.42 : x
  2. Step 2: Convert to fraction form
    305,014.71/457,583.22 = 105,342.42/x
  3. Step 3: Cross multiply
    305,014.71x = 457,583.22 × 105,342.42
  4. Step 4: Simplify right side
    305,014.71x = 48,202,923,746.19
  5. Step 5: Solve for x
    x = 48,202,923,746.19/305,014.71
  6. Step 6: Final answer
    x = 158,034.75

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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.