Home / 278,592.18-384,446.43-151,264.86

Finding the Fourth Proportional to 278,592.18, 384,446.43 and 151,264.86

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Solution

The fourth proportional to 278,592.18, 384,446.43 and 151,264.86 is: 208,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,592.18 : 384,446.43 = 151,264.86 : x
  2. Step 2: Convert to fraction form
    278,592.18/384,446.43 = 151,264.86/x
  3. Step 3: Cross multiply
    278,592.18x = 384,446.43 × 151,264.86
  4. Step 4: Simplify right side
    278,592.18x = 58,153,235,411.45
  5. Step 5: Solve for x
    x = 58,153,235,411.45/278,592.18
  6. Step 6: Final answer
    x = 208,739.65

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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.