Home / 278,001.20-416,904.60-144,837.20

Finding the Fourth Proportional to 278,001.20, 416,904.60 and 144,837.20

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Solution

The fourth proportional to 278,001.20, 416,904.60 and 144,837.20 is: 217,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,001.20 : 416,904.60 = 144,837.20 : x
  2. Step 2: Convert to fraction form
    278,001.20/416,904.60 = 144,837.20/x
  3. Step 3: Cross multiply
    278,001.20x = 416,904.60 × 144,837.20
  4. Step 4: Simplify right side
    278,001.20x = 60,383,294,931.12
  5. Step 5: Solve for x
    x = 60,383,294,931.12/278,001.20
  6. Step 6: Final answer
    x = 217,205.16

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1.5x scale

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.