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Finding the Fourth Proportional to 508,519.39, 762,483.72 and 192,804.07

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Solution

The fourth proportional to 508,519.39, 762,483.72 and 192,804.07 is: 289,094.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,519.39 : 762,483.72 = 192,804.07 : x
  2. Step 2: Convert to fraction form
    508,519.39/762,483.72 = 192,804.07/x
  3. Step 3: Cross multiply
    508,519.39x = 762,483.72 × 192,804.07
  4. Step 4: Simplify right side
    508,519.39x = 147,009,964,524.74
  5. Step 5: Solve for x
    x = 147,009,964,524.74/508,519.39
  6. Step 6: Final answer
    x = 289,094.12

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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.