Home / 509,035.50-763,216.26-242,837.10

Finding the Fourth Proportional to 509,035.50, 763,216.26 and 242,837.10

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Solution

The fourth proportional to 509,035.50, 763,216.26 and 242,837.10 is: 364,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,035.50 : 763,216.26 = 242,837.10 : x
  2. Step 2: Convert to fraction form
    509,035.50/763,216.26 = 242,837.10/x
  3. Step 3: Cross multiply
    509,035.50x = 763,216.26 × 242,837.10
  4. Step 4: Simplify right side
    509,035.50x = 185,337,223,251.25
  5. Step 5: Solve for x
    x = 185,337,223,251.25/509,035.50
  6. Step 6: Final answer
    x = 364,094.89

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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.