Home / 340,921.08-470,276-213,375.24

Finding the Fourth Proportional to 340,921.08, 470,276 and 213,375.24

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Solution

The fourth proportional to 340,921.08, 470,276 and 213,375.24 is: 294,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,921.08 : 470,276 = 213,375.24 : x
  2. Step 2: Convert to fraction form
    340,921.08/470,276 = 213,375.24/x
  3. Step 3: Cross multiply
    340,921.08x = 470,276 × 213,375.24
  4. Step 4: Simplify right side
    340,921.08x = 100,345,254,366.24
  5. Step 5: Solve for x
    x = 100,345,254,366.24/340,921.08
  6. Step 6: Final answer
    x = 294,335.73

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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.