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Finding the Fourth Proportional to 302,878.74, 454,028.81 and 113,287.71

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Solution

The fourth proportional to 302,878.74, 454,028.81 and 113,287.71 is: 169,823.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,878.74 : 454,028.81 = 113,287.71 : x
  2. Step 2: Convert to fraction form
    302,878.74/454,028.81 = 113,287.71/x
  3. Step 3: Cross multiply
    302,878.74x = 454,028.81 × 113,287.71
  4. Step 4: Simplify right side
    302,878.74x = 51,435,883,592.49
  5. Step 5: Solve for x
    x = 51,435,883,592.49/302,878.74
  6. Step 6: Final answer
    x = 169,823.35

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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.