Home / 305,619.28-421,798.46-183,116.49

Finding the Fourth Proportional to 305,619.28, 421,798.46 and 183,116.49

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Solution

The fourth proportional to 305,619.28, 421,798.46 and 183,116.49 is: 252,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,619.28 : 421,798.46 = 183,116.49 : x
  2. Step 2: Convert to fraction form
    305,619.28/421,798.46 = 183,116.49/x
  3. Step 3: Cross multiply
    305,619.28x = 421,798.46 × 183,116.49
  4. Step 4: Simplify right side
    305,619.28x = 77,238,253,482.61
  5. Step 5: Solve for x
    x = 77,238,253,482.61/305,619.28
  6. Step 6: Final answer
    x = 252,727.03

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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.