Home / 323,311.47-484,968.12-112,949.40

Finding the Fourth Proportional to 323,311.47, 484,968.12 and 112,949.40

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Solution

The fourth proportional to 323,311.47, 484,968.12 and 112,949.40 is: 169,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,311.47 : 484,968.12 = 112,949.40 : x
  2. Step 2: Convert to fraction form
    323,311.47/484,968.12 = 112,949.40/x
  3. Step 3: Cross multiply
    323,311.47x = 484,968.12 × 112,949.40
  4. Step 4: Simplify right side
    323,311.47x = 54,776,858,173.13
  5. Step 5: Solve for x
    x = 54,776,858,173.13/323,311.47
  6. Step 6: Final answer
    x = 169,424.42

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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.