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Finding the Fourth Proportional to 333,904.67, 500,915.33 and 146,911.31

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Solution

The fourth proportional to 333,904.67, 500,915.33 and 146,911.31 is: 220,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,904.67 : 500,915.33 = 146,911.31 : x
  2. Step 2: Convert to fraction form
    333,904.67/500,915.33 = 146,911.31/x
  3. Step 3: Cross multiply
    333,904.67x = 500,915.33 × 146,911.31
  4. Step 4: Simplify right side
    333,904.67x = 73,590,128,948.95
  5. Step 5: Solve for x
    x = 73,590,128,948.95/333,904.67
  6. Step 6: Final answer
    x = 220,392.63

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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.