Home / 302,816.18-454,294.55-103,138.29

Finding the Fourth Proportional to 302,816.18, 454,294.55 and 103,138.29

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Solution

The fourth proportional to 302,816.18, 454,294.55 and 103,138.29 is: 154,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,816.18 : 454,294.55 = 103,138.29 : x
  2. Step 2: Convert to fraction form
    302,816.18/454,294.55 = 103,138.29/x
  3. Step 3: Cross multiply
    302,816.18x = 454,294.55 × 103,138.29
  4. Step 4: Simplify right side
    302,816.18x = 46,855,163,301.17
  5. Step 5: Solve for x
    x = 46,855,163,301.17/302,816.18
  6. Step 6: Final answer
    x = 154,731.37

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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.