Home / 305,618.96-421,798.03-183,116.18

Finding the Fourth Proportional to 305,618.96, 421,798.03 and 183,116.18

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Solution

The fourth proportional to 305,618.96, 421,798.03 and 183,116.18 is: 252,726.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,618.96 : 421,798.03 = 183,116.18 : x
  2. Step 2: Convert to fraction form
    305,618.96/421,798.03 = 183,116.18/x
  3. Step 3: Cross multiply
    305,618.96x = 421,798.03 × 183,116.18
  4. Step 4: Simplify right side
    305,618.96x = 77,238,044,581.83
  5. Step 5: Solve for x
    x = 77,238,044,581.83/305,618.96
  6. Step 6: Final answer
    x = 252,726.61

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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.