Home / 317,256.30-474,949.47-277,890.30

Finding the Fourth Proportional to 317,256.30, 474,949.47 and 277,890.30

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Solution

The fourth proportional to 317,256.30, 474,949.47 and 277,890.30 is: 416,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,256.30 : 474,949.47 = 277,890.30 : x
  2. Step 2: Convert to fraction form
    317,256.30/474,949.47 = 277,890.30/x
  3. Step 3: Cross multiply
    317,256.30x = 474,949.47 × 277,890.30
  4. Step 4: Simplify right side
    317,256.30x = 131,983,850,703.14
  5. Step 5: Solve for x
    x = 131,983,850,703.14/317,256.30
  6. Step 6: Final answer
    x = 416,016.48

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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.