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Finding the Fourth Proportional to 243,314.99, 333,335.95 and 234,217.98

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Solution

The fourth proportional to 243,314.99, 333,335.95 and 234,217.98 is: 320,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,314.99 : 333,335.95 = 234,217.98 : x
  2. Step 2: Convert to fraction form
    243,314.99/333,335.95 = 234,217.98/x
  3. Step 3: Cross multiply
    243,314.99x = 333,335.95 × 234,217.98
  4. Step 4: Simplify right side
    243,314.99x = 78,073,273,974.00
  5. Step 5: Solve for x
    x = 78,073,273,974.00/243,314.99
  6. Step 6: Final answer
    x = 320,873.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.