Home / 346,231.09-518,334.31-313,027.57

Finding the Fourth Proportional to 346,231.09, 518,334.31 and 313,027.57

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Solution

The fourth proportional to 346,231.09, 518,334.31 and 313,027.57 is: 468,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,231.09 : 518,334.31 = 313,027.57 : x
  2. Step 2: Convert to fraction form
    346,231.09/518,334.31 = 313,027.57/x
  3. Step 3: Cross multiply
    346,231.09x = 518,334.31 × 313,027.57
  4. Step 4: Simplify right side
    346,231.09x = 162,252,929,506.93
  5. Step 5: Solve for x
    x = 162,252,929,506.93/346,231.09
  6. Step 6: Final answer
    x = 468,626.11

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1.5x scale

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.