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Finding the Fourth Proportional to 329,999.99, 455,334.95 and 200,903.81

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Solution

The fourth proportional to 329,999.99, 455,334.95 and 200,903.81 is: 277,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,999.99 : 455,334.95 = 200,903.81 : x
  2. Step 2: Convert to fraction form
    329,999.99/455,334.95 = 200,903.81/x
  3. Step 3: Cross multiply
    329,999.99x = 455,334.95 × 200,903.81
  4. Step 4: Simplify right side
    329,999.99x = 91,478,524,506.74
  5. Step 5: Solve for x
    x = 91,478,524,506.74/329,999.99
  6. Step 6: Final answer
    x = 277,207.66

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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.