Home / 205,426.60-307,535.10-153,068.20

Finding the Fourth Proportional to 205,426.60, 307,535.10 and 153,068.20

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Solution

The fourth proportional to 205,426.60, 307,535.10 and 153,068.20 is: 229,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,426.60 : 307,535.10 = 153,068.20 : x
  2. Step 2: Convert to fraction form
    205,426.60/307,535.10 = 153,068.20/x
  3. Step 3: Cross multiply
    205,426.60x = 307,535.10 × 153,068.20
  4. Step 4: Simplify right side
    205,426.60x = 47,073,844,193.82
  5. Step 5: Solve for x
    x = 47,073,844,193.82/205,426.60
  6. Step 6: Final answer
    x = 229,151.65

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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.