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Finding the Fourth Proportional to 452,628, 624,626.97 and 248,692.02

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Solution

The fourth proportional to 452,628, 624,626.97 and 248,692.02 is: 343,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,628 : 624,626.97 = 248,692.02 : x
  2. Step 2: Convert to fraction form
    452,628/624,626.97 = 248,692.02/x
  3. Step 3: Cross multiply
    452,628x = 624,626.97 × 248,692.02
  4. Step 4: Simplify right side
    452,628x = 155,339,742,915.78
  5. Step 5: Solve for x
    x = 155,339,742,915.78/452,628
  6. Step 6: Final answer
    x = 343,195.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.