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Finding the Fourth Proportional to 333,747.60, 500,624.55 and 81,030.33

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Solution

The fourth proportional to 333,747.60, 500,624.55 and 81,030.33 is: 121,546.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,747.60 : 500,624.55 = 81,030.33 : x
  2. Step 2: Convert to fraction form
    333,747.60/500,624.55 = 81,030.33/x
  3. Step 3: Cross multiply
    333,747.60x = 500,624.55 × 81,030.33
  4. Step 4: Simplify right side
    333,747.60x = 40,565,772,492.60
  5. Step 5: Solve for x
    x = 40,565,772,492.60/333,747.60
  6. Step 6: Final answer
    x = 121,546.26

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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.