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Finding the Fourth Proportional to 510,406.11, 765,782.30 and 226,058.45

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Solution

The fourth proportional to 510,406.11, 765,782.30 and 226,058.45 is: 339,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,406.11 : 765,782.30 = 226,058.45 : x
  2. Step 2: Convert to fraction form
    510,406.11/765,782.30 = 226,058.45/x
  3. Step 3: Cross multiply
    510,406.11x = 765,782.30 × 226,058.45
  4. Step 4: Simplify right side
    510,406.11x = 173,111,556,511.67
  5. Step 5: Solve for x
    x = 173,111,556,511.67/510,406.11
  6. Step 6: Final answer
    x = 339,164.35

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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.