Home / 312,214.03-430,856.63-168,974.04

Finding the Fourth Proportional to 312,214.03, 430,856.63 and 168,974.04

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Solution

The fourth proportional to 312,214.03, 430,856.63 and 168,974.04 is: 233,184.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,214.03 : 430,856.63 = 168,974.04 : x
  2. Step 2: Convert to fraction form
    312,214.03/430,856.63 = 168,974.04/x
  3. Step 3: Cross multiply
    312,214.03x = 430,856.63 × 168,974.04
  4. Step 4: Simplify right side
    312,214.03x = 72,803,585,431.89
  5. Step 5: Solve for x
    x = 72,803,585,431.89/312,214.03
  6. Step 6: Final answer
    x = 233,184.86

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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.