Home / 305,483.07-421,565.76-169,537.53

Finding the Fourth Proportional to 305,483.07, 421,565.76 and 169,537.53

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Solution

The fourth proportional to 305,483.07, 421,565.76 and 169,537.53 is: 233,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,483.07 : 421,565.76 = 169,537.53 : x
  2. Step 2: Convert to fraction form
    305,483.07/421,565.76 = 169,537.53/x
  3. Step 3: Cross multiply
    305,483.07x = 421,565.76 × 169,537.53
  4. Step 4: Simplify right side
    305,483.07x = 71,471,217,682.97
  5. Step 5: Solve for x
    x = 71,471,217,682.97/305,483.07
  6. Step 6: Final answer
    x = 233,961.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.