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Finding the Fourth Proportional to 317,482.92, 476,235.36 and 159,625.32

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Solution

The fourth proportional to 317,482.92, 476,235.36 and 159,625.32 is: 239,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,482.92 : 476,235.36 = 159,625.32 : x
  2. Step 2: Convert to fraction form
    317,482.92/476,235.36 = 159,625.32/x
  3. Step 3: Cross multiply
    317,482.92x = 476,235.36 × 159,625.32
  4. Step 4: Simplify right side
    317,482.92x = 76,019,221,735.32
  5. Step 5: Solve for x
    x = 76,019,221,735.32/317,482.92
  6. Step 6: Final answer
    x = 239,443.50

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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.