Home / 278,246.04-383,980.20-150,921.63

Finding the Fourth Proportional to 278,246.04, 383,980.20 and 150,921.63

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Solution

The fourth proportional to 278,246.04, 383,980.20 and 150,921.63 is: 208,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,246.04 : 383,980.20 = 150,921.63 : x
  2. Step 2: Convert to fraction form
    278,246.04/383,980.20 = 150,921.63/x
  3. Step 3: Cross multiply
    278,246.04x = 383,980.20 × 150,921.63
  4. Step 4: Simplify right side
    278,246.04x = 57,950,917,105.77
  5. Step 5: Solve for x
    x = 57,950,917,105.77/278,246.04
  6. Step 6: Final answer
    x = 208,272.21

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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.