Home / 346,147.04-477,726.72-200,921.78

Finding the Fourth Proportional to 346,147.04, 477,726.72 and 200,921.78

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Solution

The fourth proportional to 346,147.04, 477,726.72 and 200,921.78 is: 277,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,147.04 : 477,726.72 = 200,921.78 : x
  2. Step 2: Convert to fraction form
    346,147.04/477,726.72 = 200,921.78/x
  3. Step 3: Cross multiply
    346,147.04x = 477,726.72 × 200,921.78
  4. Step 4: Simplify right side
    346,147.04x = 95,985,702,935.96
  5. Step 5: Solve for x
    x = 95,985,702,935.96/346,147.04
  6. Step 6: Final answer
    x = 277,297.48

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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.