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Finding the Fourth Proportional to 367,381.98, 550,547.10 and 209,283.75

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Solution

The fourth proportional to 367,381.98, 550,547.10 and 209,283.75 is: 313,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,381.98 : 550,547.10 = 209,283.75 : x
  2. Step 2: Convert to fraction form
    367,381.98/550,547.10 = 209,283.75/x
  3. Step 3: Cross multiply
    367,381.98x = 550,547.10 × 209,283.75
  4. Step 4: Simplify right side
    367,381.98x = 115,220,561,639.63
  5. Step 5: Solve for x
    x = 115,220,561,639.63/367,381.98
  6. Step 6: Final answer
    x = 313,626.06

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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.