Home / 278,468.03-384,275.60-151,140.89

Finding the Fourth Proportional to 278,468.03, 384,275.60 and 151,140.89

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Solution

The fourth proportional to 278,468.03, 384,275.60 and 151,140.89 is: 208,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,468.03 : 384,275.60 = 151,140.89 : x
  2. Step 2: Convert to fraction form
    278,468.03/384,275.60 = 151,140.89/x
  3. Step 3: Cross multiply
    278,468.03x = 384,275.60 × 151,140.89
  4. Step 4: Simplify right side
    278,468.03x = 58,079,756,189.28
  5. Step 5: Solve for x
    x = 58,079,756,189.28/278,468.03
  6. Step 6: Final answer
    x = 208,568.85

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1.5x scale

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.