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Finding the Fourth Proportional to 371,269.77, 512,352.50 and 201,503.89

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Solution

The fourth proportional to 371,269.77, 512,352.50 and 201,503.89 is: 278,075.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,269.77 : 512,352.50 = 201,503.89 : x
  2. Step 2: Convert to fraction form
    371,269.77/512,352.50 = 201,503.89/x
  3. Step 3: Cross multiply
    371,269.77x = 512,352.50 × 201,503.89
  4. Step 4: Simplify right side
    371,269.77x = 103,241,021,801.23
  5. Step 5: Solve for x
    x = 103,241,021,801.23/371,269.77
  6. Step 6: Final answer
    x = 278,075.49

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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.