Home / 305,618.24-458,427.54-105,938.66

Finding the Fourth Proportional to 305,618.24, 458,427.54 and 105,938.66

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Solution

The fourth proportional to 305,618.24, 458,427.54 and 105,938.66 is: 158,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,618.24 : 458,427.54 = 105,938.66 : x
  2. Step 2: Convert to fraction form
    305,618.24/458,427.54 = 105,938.66/x
  3. Step 3: Cross multiply
    305,618.24x = 458,427.54 × 105,938.66
  4. Step 4: Simplify right side
    305,618.24x = 48,565,199,294.70
  5. Step 5: Solve for x
    x = 48,565,199,294.70/305,618.24
  6. Step 6: Final answer
    x = 158,908.05

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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.