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Finding the Fourth Proportional to 452,998.47, 625,142.09 and 249,050.82

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Solution

The fourth proportional to 452,998.47, 625,142.09 and 249,050.82 is: 343,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,998.47 : 625,142.09 = 249,050.82 : x
  2. Step 2: Convert to fraction form
    452,998.47/625,142.09 = 249,050.82/x
  3. Step 3: Cross multiply
    452,998.47x = 625,142.09 × 249,050.82
  4. Step 4: Simplify right side
    452,998.47x = 155,692,150,131.01
  5. Step 5: Solve for x
    x = 155,692,150,131.01/452,998.47
  6. Step 6: Final answer
    x = 343,692.44

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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.