Home / 358,473.07-494,703.98-195,140.46

Finding the Fourth Proportional to 358,473.07, 494,703.98 and 195,140.46

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Solution

The fourth proportional to 358,473.07, 494,703.98 and 195,140.46 is: 269,299.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,473.07 : 494,703.98 = 195,140.46 : x
  2. Step 2: Convert to fraction form
    358,473.07/494,703.98 = 195,140.46/x
  3. Step 3: Cross multiply
    358,473.07x = 494,703.98 × 195,140.46
  4. Step 4: Simplify right side
    358,473.07x = 96,536,760,755.85
  5. Step 5: Solve for x
    x = 96,536,760,755.85/358,473.07
  6. Step 6: Final answer
    x = 269,299.89

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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.