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Finding the Fourth Proportional to 452,673.36, 624,715.20 and 251,469.36

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Solution

The fourth proportional to 452,673.36, 624,715.20 and 251,469.36 is: 347,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,673.36 : 624,715.20 = 251,469.36 : x
  2. Step 2: Convert to fraction form
    452,673.36/624,715.20 = 251,469.36/x
  3. Step 3: Cross multiply
    452,673.36x = 624,715.20 × 251,469.36
  4. Step 4: Simplify right side
    452,673.36x = 157,096,731,526.27
  5. Step 5: Solve for x
    x = 157,096,731,526.27/452,673.36
  6. Step 6: Final answer
    x = 347,042.14

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1.5x scale

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.