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Finding the Fourth Proportional to 317,746.80, 476,187.66 and 160,083.54

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Solution

The fourth proportional to 317,746.80, 476,187.66 and 160,083.54 is: 239,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,746.80 : 476,187.66 = 160,083.54 : x
  2. Step 2: Convert to fraction form
    317,746.80/476,187.66 = 160,083.54/x
  3. Step 3: Cross multiply
    317,746.80x = 476,187.66 × 160,083.54
  4. Step 4: Simplify right side
    317,746.80x = 76,229,806,317.12
  5. Step 5: Solve for x
    x = 76,229,806,317.12/317,746.80
  6. Step 6: Final answer
    x = 239,907.39

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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.