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Finding the Fourth Proportional to 508,804.73, 763,317.80 and 153,809.52

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Solution

The fourth proportional to 508,804.73, 763,317.80 and 153,809.52 is: 230,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,804.73 : 763,317.80 = 153,809.52 : x
  2. Step 2: Convert to fraction form
    508,804.73/763,317.80 = 153,809.52/x
  3. Step 3: Cross multiply
    508,804.73x = 763,317.80 × 153,809.52
  4. Step 4: Simplify right side
    508,804.73x = 117,405,540,608.87
  5. Step 5: Solve for x
    x = 117,405,540,608.87/508,804.73
  6. Step 6: Final answer
    x = 230,747.74

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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.