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Finding the Fourth Proportional to 358,950, 495,361.32 and 199,984.24

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Solution

The fourth proportional to 358,950, 495,361.32 and 199,984.24 is: 275,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,950 : 495,361.32 = 199,984.24 : x
  2. Step 2: Convert to fraction form
    358,950/495,361.32 = 199,984.24/x
  3. Step 3: Cross multiply
    358,950x = 495,361.32 × 199,984.24
  4. Step 4: Simplify right side
    358,950x = 99,064,457,105.60
  5. Step 5: Solve for x
    x = 99,064,457,105.60/358,950
  6. Step 6: Final answer
    x = 275,984.00

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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.