Home / 205,938.30-308,579.40-152,794.20

Finding the Fourth Proportional to 205,938.30, 308,579.40 and 152,794.20

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Solution

The fourth proportional to 205,938.30, 308,579.40 and 152,794.20 is: 228,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,938.30 : 308,579.40 = 152,794.20 : x
  2. Step 2: Convert to fraction form
    205,938.30/308,579.40 = 152,794.20/x
  3. Step 3: Cross multiply
    205,938.30x = 308,579.40 × 152,794.20
  4. Step 4: Simplify right side
    205,938.30x = 47,149,142,559.48
  5. Step 5: Solve for x
    x = 47,149,142,559.48/205,938.30
  6. Step 6: Final answer
    x = 228,947.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.