Home / 351,454.16-484,987.56-208,227.44

Finding the Fourth Proportional to 351,454.16, 484,987.56 and 208,227.44

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Solution

The fourth proportional to 351,454.16, 484,987.56 and 208,227.44 is: 287,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,454.16 : 484,987.56 = 208,227.44 : x
  2. Step 2: Convert to fraction form
    351,454.16/484,987.56 = 208,227.44/x
  3. Step 3: Cross multiply
    351,454.16x = 484,987.56 × 208,227.44
  4. Step 4: Simplify right side
    351,454.16x = 100,987,718,050.65
  5. Step 5: Solve for x
    x = 100,987,718,050.65/351,454.16
  6. Step 6: Final answer
    x = 287,342.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.