Home / 309,400.14-464,100.62-84,762.55

Finding the Fourth Proportional to 309,400.14, 464,100.62 and 84,762.55

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Solution

The fourth proportional to 309,400.14, 464,100.62 and 84,762.55 is: 127,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,400.14 : 464,100.62 = 84,762.55 : x
  2. Step 2: Convert to fraction form
    309,400.14/464,100.62 = 84,762.55/x
  3. Step 3: Cross multiply
    309,400.14x = 464,100.62 × 84,762.55
  4. Step 4: Simplify right side
    309,400.14x = 39,338,350,423.72
  5. Step 5: Solve for x
    x = 39,338,350,423.72/309,400.14
  6. Step 6: Final answer
    x = 127,143.93

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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.