Home / 302,888.13-454,332.20-103,105.68

Finding the Fourth Proportional to 302,888.13, 454,332.20 and 103,105.68

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Solution

The fourth proportional to 302,888.13, 454,332.20 and 103,105.68 is: 154,658.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,888.13 : 454,332.20 = 103,105.68 : x
  2. Step 2: Convert to fraction form
    302,888.13/454,332.20 = 103,105.68/x
  3. Step 3: Cross multiply
    302,888.13x = 454,332.20 × 103,105.68
  4. Step 4: Simplify right side
    302,888.13x = 46,844,229,911.37
  5. Step 5: Solve for x
    x = 46,844,229,911.37/302,888.13
  6. Step 6: Final answer
    x = 154,658.52

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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.