Home / 351,455.16-484,988.94-208,228.44

Finding the Fourth Proportional to 351,455.16, 484,988.94 and 208,228.44

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Solution

The fourth proportional to 351,455.16, 484,988.94 and 208,228.44 is: 287,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,455.16 : 484,988.94 = 208,228.44 : x
  2. Step 2: Convert to fraction form
    351,455.16/484,988.94 = 208,228.44/x
  3. Step 3: Cross multiply
    351,455.16x = 484,988.94 × 208,228.44
  4. Step 4: Simplify right side
    351,455.16x = 100,988,490,393.45
  5. Step 5: Solve for x
    x = 100,988,490,393.45/351,455.16
  6. Step 6: Final answer
    x = 287,343.88

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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.