Home / 312,186.06-468,089.42-122,419.04

Finding the Fourth Proportional to 312,186.06, 468,089.42 and 122,419.04

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Solution

The fourth proportional to 312,186.06, 468,089.42 and 122,419.04 is: 183,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,186.06 : 468,089.42 = 122,419.04 : x
  2. Step 2: Convert to fraction form
    312,186.06/468,089.42 = 122,419.04/x
  3. Step 3: Cross multiply
    312,186.06x = 468,089.42 × 122,419.04
  4. Step 4: Simplify right side
    312,186.06x = 57,303,054,478.01
  5. Step 5: Solve for x
    x = 57,303,054,478.01/312,186.06
  6. Step 6: Final answer
    x = 183,554.17

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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.