Home / 309,923.78-464,852.84-99,545.31

Finding the Fourth Proportional to 309,923.78, 464,852.84 and 99,545.31

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Solution

The fourth proportional to 309,923.78, 464,852.84 and 99,545.31 is: 149,307.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,923.78 : 464,852.84 = 99,545.31 : x
  2. Step 2: Convert to fraction form
    309,923.78/464,852.84 = 99,545.31/x
  3. Step 3: Cross multiply
    309,923.78x = 464,852.84 × 99,545.31
  4. Step 4: Simplify right side
    309,923.78x = 46,273,919,564.45
  5. Step 5: Solve for x
    x = 46,273,919,564.45/309,923.78
  6. Step 6: Final answer
    x = 149,307.42

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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.