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Finding the Fourth Proportional to 491,537.09, 737,592.37 and 207,210.38

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Solution

The fourth proportional to 491,537.09, 737,592.37 and 207,210.38 is: 310,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,537.09 : 737,592.37 = 207,210.38 : x
  2. Step 2: Convert to fraction form
    491,537.09/737,592.37 = 207,210.38/x
  3. Step 3: Cross multiply
    491,537.09x = 737,592.37 × 207,210.38
  4. Step 4: Simplify right side
    491,537.09x = 152,836,791,066.81
  5. Step 5: Solve for x
    x = 152,836,791,066.81/491,537.09
  6. Step 6: Final answer
    x = 310,936.44

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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.