Home / 339,975.40-510,011.70-115,346.20

Finding the Fourth Proportional to 339,975.40, 510,011.70 and 115,346.20

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Solution

The fourth proportional to 339,975.40, 510,011.70 and 115,346.20 is: 173,035.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,975.40 : 510,011.70 = 115,346.20 : x
  2. Step 2: Convert to fraction form
    339,975.40/510,011.70 = 115,346.20/x
  3. Step 3: Cross multiply
    339,975.40x = 510,011.70 × 115,346.20
  4. Step 4: Simplify right side
    339,975.40x = 58,827,911,550.54
  5. Step 5: Solve for x
    x = 58,827,911,550.54/339,975.40
  6. Step 6: Final answer
    x = 173,035.79

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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.