Home / 278,769.48-384,701.58-151,444.23

Finding the Fourth Proportional to 278,769.48, 384,701.58 and 151,444.23

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Solution

The fourth proportional to 278,769.48, 384,701.58 and 151,444.23 is: 208,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,769.48 : 384,701.58 = 151,444.23 : x
  2. Step 2: Convert to fraction form
    278,769.48/384,701.58 = 151,444.23/x
  3. Step 3: Cross multiply
    278,769.48x = 384,701.58 × 151,444.23
  4. Step 4: Simplify right side
    278,769.48x = 58,260,834,562.88
  5. Step 5: Solve for x
    x = 58,260,834,562.88/278,769.48
  6. Step 6: Final answer
    x = 208,992.87

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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.