Home / 305,025.90-457,611.30-105,347.94

Finding the Fourth Proportional to 305,025.90, 457,611.30 and 105,347.94

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Solution

The fourth proportional to 305,025.90, 457,611.30 and 105,347.94 is: 158,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,025.90 : 457,611.30 = 105,347.94 : x
  2. Step 2: Convert to fraction form
    305,025.90/457,611.30 = 105,347.94/x
  3. Step 3: Cross multiply
    305,025.90x = 457,611.30 × 105,347.94
  4. Step 4: Simplify right side
    305,025.90x = 48,208,407,775.72
  5. Step 5: Solve for x
    x = 48,208,407,775.72/305,025.90
  6. Step 6: Final answer
    x = 158,046.93

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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.