Home / 342,867.90-513,317.70-210,007.65

Finding the Fourth Proportional to 342,867.90, 513,317.70 and 210,007.65

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Solution

The fourth proportional to 342,867.90, 513,317.70 and 210,007.65 is: 314,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,867.90 : 513,317.70 = 210,007.65 : x
  2. Step 2: Convert to fraction form
    342,867.90/513,317.70 = 210,007.65/x
  3. Step 3: Cross multiply
    342,867.90x = 513,317.70 × 210,007.65
  4. Step 4: Simplify right side
    342,867.90x = 107,800,643,880.41
  5. Step 5: Solve for x
    x = 107,800,643,880.41/342,867.90
  6. Step 6: Final answer
    x = 314,408.68

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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.