Home / 305,575.40-458,369.02-105,902.36

Finding the Fourth Proportional to 305,575.40, 458,369.02 and 105,902.36

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Solution

The fourth proportional to 305,575.40, 458,369.02 and 105,902.36 is: 158,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,575.40 : 458,369.02 = 105,902.36 : x
  2. Step 2: Convert to fraction form
    305,575.40/458,369.02 = 105,902.36/x
  3. Step 3: Cross multiply
    305,575.40x = 458,369.02 × 105,902.36
  4. Step 4: Simplify right side
    305,575.40x = 48,542,360,968.89
  5. Step 5: Solve for x
    x = 48,542,360,968.89/305,575.40
  6. Step 6: Final answer
    x = 158,855.59

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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.