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Finding the Fourth Proportional to 504,673.65, 757,013.31 and 149,690.34

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Solution

The fourth proportional to 504,673.65, 757,013.31 and 149,690.34 is: 224,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,673.65 : 757,013.31 = 149,690.34 : x
  2. Step 2: Convert to fraction form
    504,673.65/757,013.31 = 149,690.34/x
  3. Step 3: Cross multiply
    504,673.65x = 757,013.31 × 149,690.34
  4. Step 4: Simplify right side
    504,673.65x = 113,317,579,758.43
  5. Step 5: Solve for x
    x = 113,317,579,758.43/504,673.65
  6. Step 6: Final answer
    x = 224,536.35

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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.