Home / 317,137.22-475,633.01-189,089.72

Finding the Fourth Proportional to 317,137.22, 475,633.01 and 189,089.72

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Solution

The fourth proportional to 317,137.22, 475,633.01 and 189,089.72 is: 283,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,137.22 : 475,633.01 = 189,089.72 : x
  2. Step 2: Convert to fraction form
    317,137.22/475,633.01 = 189,089.72/x
  3. Step 3: Cross multiply
    317,137.22x = 475,633.01 × 189,089.72
  4. Step 4: Simplify right side
    317,137.22x = 89,937,312,683.66
  5. Step 5: Solve for x
    x = 89,937,312,683.66/317,137.22
  6. Step 6: Final answer
    x = 283,591.16

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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.