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Finding the Fourth Proportional to 491,529.15, 737,580.29 and 207,202.28

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Solution

The fourth proportional to 491,529.15, 737,580.29 and 207,202.28 is: 310,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,529.15 : 737,580.29 = 207,202.28 : x
  2. Step 2: Convert to fraction form
    491,529.15/737,580.29 = 207,202.28/x
  3. Step 3: Cross multiply
    491,529.15x = 737,580.29 × 207,202.28
  4. Step 4: Simplify right side
    491,529.15x = 152,828,313,047.15
  5. Step 5: Solve for x
    x = 152,828,313,047.15/491,529.15
  6. Step 6: Final answer
    x = 310,924.21

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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.