Home / 302,578.81-453,736.98-102,845.57

Finding the Fourth Proportional to 302,578.81, 453,736.98 and 102,845.57

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Solution

The fourth proportional to 302,578.81, 453,736.98 and 102,845.57 is: 154,223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,578.81 : 453,736.98 = 102,845.57 : x
  2. Step 2: Convert to fraction form
    302,578.81/453,736.98 = 102,845.57/x
  3. Step 3: Cross multiply
    302,578.81x = 453,736.98 × 102,845.57
  4. Step 4: Simplify right side
    302,578.81x = 46,664,836,069.49
  5. Step 5: Solve for x
    x = 46,664,836,069.49/302,578.81
  6. Step 6: Final answer
    x = 154,223.74

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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.