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Finding the Fourth Proportional to 600,376.70, 900,918.62 and 221,564.00

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Solution

The fourth proportional to 600,376.70, 900,918.62 and 221,564.00 is: 332,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,376.70 : 900,918.62 = 221,564.00 : x
  2. Step 2: Convert to fraction form
    600,376.70/900,918.62 = 221,564.00/x
  3. Step 3: Cross multiply
    600,376.70x = 900,918.62 × 221,564.00
  4. Step 4: Simplify right side
    600,376.70x = 199,611,127,509.27
  5. Step 5: Solve for x
    x = 199,611,127,509.27/600,376.70
  6. Step 6: Final answer
    x = 332,476.48

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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.