Home / 278,264.23-384,005.54-150,940.73

Finding the Fourth Proportional to 278,264.23, 384,005.54 and 150,940.73

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Solution

The fourth proportional to 278,264.23, 384,005.54 and 150,940.73 is: 208,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,264.23 : 384,005.54 = 150,940.73 : x
  2. Step 2: Convert to fraction form
    278,264.23/384,005.54 = 150,940.73/x
  3. Step 3: Cross multiply
    278,264.23x = 384,005.54 × 150,940.73
  4. Step 4: Simplify right side
    278,264.23x = 57,962,077,869.01
  5. Step 5: Solve for x
    x = 57,962,077,869.01/278,264.23
  6. Step 6: Final answer
    x = 208,298.70

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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.