Home / 323,087.13-484,630.70-145,386.54

Finding the Fourth Proportional to 323,087.13, 484,630.70 and 145,386.54

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Solution

The fourth proportional to 323,087.13, 484,630.70 and 145,386.54 is: 218,079.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,087.13 : 484,630.70 = 145,386.54 : x
  2. Step 2: Convert to fraction form
    323,087.13/484,630.70 = 145,386.54/x
  3. Step 3: Cross multiply
    323,087.13x = 484,630.70 × 145,386.54
  4. Step 4: Simplify right side
    323,087.13x = 70,458,779,923.85
  5. Step 5: Solve for x
    x = 70,458,779,923.85/323,087.13
  6. Step 6: Final answer
    x = 218,079.81

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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.