Home / 302,990.03-454,484.28-89,774.54

Finding the Fourth Proportional to 302,990.03, 454,484.28 and 89,774.54

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Solution

The fourth proportional to 302,990.03, 454,484.28 and 89,774.54 is: 134,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,990.03 : 454,484.28 = 89,774.54 : x
  2. Step 2: Convert to fraction form
    302,990.03/454,484.28 = 89,774.54/x
  3. Step 3: Cross multiply
    302,990.03x = 454,484.28 × 89,774.54
  4. Step 4: Simplify right side
    302,990.03x = 40,801,117,174.23
  5. Step 5: Solve for x
    x = 40,801,117,174.23/302,990.03
  6. Step 6: Final answer
    x = 134,661.58

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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.