Home / 317,721.63-476,581.40-115,317.46

Finding the Fourth Proportional to 317,721.63, 476,581.40 and 115,317.46

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Solution

The fourth proportional to 317,721.63, 476,581.40 and 115,317.46 is: 172,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,721.63 : 476,581.40 = 115,317.46 : x
  2. Step 2: Convert to fraction form
    317,721.63/476,581.40 = 115,317.46/x
  3. Step 3: Cross multiply
    317,721.63x = 476,581.40 × 115,317.46
  4. Step 4: Simplify right side
    317,721.63x = 54,958,157,415.26
  5. Step 5: Solve for x
    x = 54,958,157,415.26/317,721.63
  6. Step 6: Final answer
    x = 172,975.81

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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.