Home / 270,619.47-373,024.64-213,167.78

Finding the Fourth Proportional to 270,619.47, 373,024.64 and 213,167.78

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Solution

The fourth proportional to 270,619.47, 373,024.64 and 213,167.78 is: 293,832.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,619.47 : 373,024.64 = 213,167.78 : x
  2. Step 2: Convert to fraction form
    270,619.47/373,024.64 = 213,167.78/x
  3. Step 3: Cross multiply
    270,619.47x = 373,024.64 × 213,167.78
  4. Step 4: Simplify right side
    270,619.47x = 79,516,834,394.10
  5. Step 5: Solve for x
    x = 79,516,834,394.10/270,619.47
  6. Step 6: Final answer
    x = 293,832.64

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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.