Home / 205,950.04-307,647.23-149,340.76

Finding the Fourth Proportional to 205,950.04, 307,647.23 and 149,340.76

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Solution

The fourth proportional to 205,950.04, 307,647.23 and 149,340.76 is: 223,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,950.04 : 307,647.23 = 149,340.76 : x
  2. Step 2: Convert to fraction form
    205,950.04/307,647.23 = 149,340.76/x
  3. Step 3: Cross multiply
    205,950.04x = 307,647.23 × 149,340.76
  4. Step 4: Simplify right side
    205,950.04x = 45,944,271,140.09
  5. Step 5: Solve for x
    x = 45,944,271,140.09/205,950.04
  6. Step 6: Final answer
    x = 223,084.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.