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Finding the Fourth Proportional to 343,073.98, 472,851.01 and 228,147.21

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Solution

The fourth proportional to 343,073.98, 472,851.01 and 228,147.21 is: 314,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,073.98 : 472,851.01 = 228,147.21 : x
  2. Step 2: Convert to fraction form
    343,073.98/472,851.01 = 228,147.21/x
  3. Step 3: Cross multiply
    343,073.98x = 472,851.01 × 228,147.21
  4. Step 4: Simplify right side
    343,073.98x = 107,879,638,677.18
  5. Step 5: Solve for x
    x = 107,879,638,677.18/343,073.98
  6. Step 6: Final answer
    x = 314,450.07

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1.5x scale

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.