Home / 305,578.40-458,373.52-105,905.36

Finding the Fourth Proportional to 305,578.40, 458,373.52 and 105,905.36

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Solution

The fourth proportional to 305,578.40, 458,373.52 and 105,905.36 is: 158,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,578.40 : 458,373.52 = 105,905.36 : x
  2. Step 2: Convert to fraction form
    305,578.40/458,373.52 = 105,905.36/x
  3. Step 3: Cross multiply
    305,578.40x = 458,373.52 × 105,905.36
  4. Step 4: Simplify right side
    305,578.40x = 48,544,212,650.07
  5. Step 5: Solve for x
    x = 48,544,212,650.07/305,578.40
  6. Step 6: Final answer
    x = 158,860.09

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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.