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Finding the Fourth Proportional to 292,456.80, 439,203.60 and 226,058.40

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Solution

The fourth proportional to 292,456.80, 439,203.60 and 226,058.40 is: 339,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,456.80 : 439,203.60 = 226,058.40 : x
  2. Step 2: Convert to fraction form
    292,456.80/439,203.60 = 226,058.40/x
  3. Step 3: Cross multiply
    292,456.80x = 439,203.60 × 226,058.40
  4. Step 4: Simplify right side
    292,456.80x = 99,285,663,090.24
  5. Step 5: Solve for x
    x = 99,285,663,090.24/292,456.80
  6. Step 6: Final answer
    x = 339,488.30

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1.5x scale

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.