Home / 379,931.16-524,318.22-210,181.08

Finding the Fourth Proportional to 379,931.16, 524,318.22 and 210,181.08

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Solution

The fourth proportional to 379,931.16, 524,318.22 and 210,181.08 is: 290,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,931.16 : 524,318.22 = 210,181.08 : x
  2. Step 2: Convert to fraction form
    379,931.16/524,318.22 = 210,181.08/x
  3. Step 3: Cross multiply
    379,931.16x = 524,318.22 × 210,181.08
  4. Step 4: Simplify right side
    379,931.16x = 110,201,769,743.28
  5. Step 5: Solve for x
    x = 110,201,769,743.28/379,931.16
  6. Step 6: Final answer
    x = 290,057.20

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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.