Home / 219,480.03-327,365.65-212,835.20

Finding the Fourth Proportional to 219,480.03, 327,365.65 and 212,835.20

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Solution

The fourth proportional to 219,480.03, 327,365.65 and 212,835.20 is: 317,454.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,480.03 : 327,365.65 = 212,835.20 : x
  2. Step 2: Convert to fraction form
    219,480.03/327,365.65 = 212,835.20/x
  3. Step 3: Cross multiply
    219,480.03x = 327,365.65 × 212,835.20
  4. Step 4: Simplify right side
    219,480.03x = 69,674,932,220.10
  5. Step 5: Solve for x
    x = 69,674,932,220.10/219,480.03
  6. Step 6: Final answer
    x = 317,454.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.