Home / 379,940.68-524,316-210,171.16

Finding the Fourth Proportional to 379,940.68, 524,316 and 210,171.16

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Solution

The fourth proportional to 379,940.68, 524,316 and 210,171.16 is: 290,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,940.68 : 524,316 = 210,171.16 : x
  2. Step 2: Convert to fraction form
    379,940.68/524,316 = 210,171.16/x
  3. Step 3: Cross multiply
    379,940.68x = 524,316 × 210,171.16
  4. Step 4: Simplify right side
    379,940.68x = 110,196,101,926.56
  5. Step 5: Solve for x
    x = 110,196,101,926.56/379,940.68
  6. Step 6: Final answer
    x = 290,035.02

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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.