Home / 278,475.48-384,296.58-151,151.10

Finding the Fourth Proportional to 278,475.48, 384,296.58 and 151,151.10

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Solution

The fourth proportional to 278,475.48, 384,296.58 and 151,151.10 is: 208,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,475.48 : 384,296.58 = 151,151.10 : x
  2. Step 2: Convert to fraction form
    278,475.48/384,296.58 = 151,151.10/x
  3. Step 3: Cross multiply
    278,475.48x = 384,296.58 × 151,151.10
  4. Step 4: Simplify right side
    278,475.48x = 58,086,850,793.24
  5. Step 5: Solve for x
    x = 58,086,850,793.24/278,475.48
  6. Step 6: Final answer
    x = 208,588.74

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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.