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Finding the Fourth Proportional to 353,219.23, 487,427.71 and 200,267.71

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Solution

The fourth proportional to 353,219.23, 487,427.71 and 200,267.71 is: 276,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,219.23 : 487,427.71 = 200,267.71 : x
  2. Step 2: Convert to fraction form
    353,219.23/487,427.71 = 200,267.71/x
  3. Step 3: Cross multiply
    353,219.23x = 487,427.71 × 200,267.71
  4. Step 4: Simplify right side
    353,219.23x = 97,616,031,272.24
  5. Step 5: Solve for x
    x = 97,616,031,272.24/353,219.23
  6. Step 6: Final answer
    x = 276,361.03

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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.