Home / 300,094.54-449,642.04-211,161.21

Finding the Fourth Proportional to 300,094.54, 449,642.04 and 211,161.21

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Solution

The fourth proportional to 300,094.54, 449,642.04 and 211,161.21 is: 316,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,094.54 : 449,642.04 = 211,161.21 : x
  2. Step 2: Convert to fraction form
    300,094.54/449,642.04 = 211,161.21/x
  3. Step 3: Cross multiply
    300,094.54x = 449,642.04 × 211,161.21
  4. Step 4: Simplify right side
    300,094.54x = 94,946,955,547.11
  5. Step 5: Solve for x
    x = 94,946,955,547.11/300,094.54
  6. Step 6: Final answer
    x = 316,390.15

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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.