Home / 305,696.13-458,376.06-163,707.89

Finding the Fourth Proportional to 305,696.13, 458,376.06 and 163,707.89

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Solution

The fourth proportional to 305,696.13, 458,376.06 and 163,707.89 is: 245,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,696.13 : 458,376.06 = 163,707.89 : x
  2. Step 2: Convert to fraction form
    305,696.13/458,376.06 = 163,707.89/x
  3. Step 3: Cross multiply
    305,696.13x = 458,376.06 × 163,707.89
  4. Step 4: Simplify right side
    305,696.13x = 75,039,775,931.14
  5. Step 5: Solve for x
    x = 75,039,775,931.14/305,696.13
  6. Step 6: Final answer
    x = 245,471.79

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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.