Home / 211,838.12-317,356.42-164,219.87

Finding the Fourth Proportional to 211,838.12, 317,356.42 and 164,219.87

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Solution

The fourth proportional to 211,838.12, 317,356.42 and 164,219.87 is: 246,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,838.12 : 317,356.42 = 164,219.87 : x
  2. Step 2: Convert to fraction form
    211,838.12/317,356.42 = 164,219.87/x
  3. Step 3: Cross multiply
    211,838.12x = 317,356.42 × 164,219.87
  4. Step 4: Simplify right side
    211,838.12x = 52,116,229,192.10
  5. Step 5: Solve for x
    x = 52,116,229,192.10/211,838.12
  6. Step 6: Final answer
    x = 246,019.13

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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.