Home / 278,532.92-384,373.32-151,205.96

Finding the Fourth Proportional to 278,532.92, 384,373.32 and 151,205.96

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Solution

The fourth proportional to 278,532.92, 384,373.32 and 151,205.96 is: 208,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,532.92 : 384,373.32 = 151,205.96 : x
  2. Step 2: Convert to fraction form
    278,532.92/384,373.32 = 151,205.96/x
  3. Step 3: Cross multiply
    278,532.92x = 384,373.32 × 151,205.96
  4. Step 4: Simplify right side
    278,532.92x = 58,119,536,848.99
  5. Step 5: Solve for x
    x = 58,119,536,848.99/278,532.92
  6. Step 6: Final answer
    x = 208,663.08

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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.