Home / 302,942.99-454,506.75-143,141.61

Finding the Fourth Proportional to 302,942.99, 454,506.75 and 143,141.61

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Solution

The fourth proportional to 302,942.99, 454,506.75 and 143,141.61 is: 214,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,942.99 : 454,506.75 = 143,141.61 : x
  2. Step 2: Convert to fraction form
    302,942.99/454,506.75 = 143,141.61/x
  3. Step 3: Cross multiply
    302,942.99x = 454,506.75 × 143,141.61
  4. Step 4: Simplify right side
    302,942.99x = 65,058,827,950.87
  5. Step 5: Solve for x
    x = 65,058,827,950.87/302,942.99
  6. Step 6: Final answer
    x = 214,756.01

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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.