Home / 355,729.05-490,895.67-194,580.63

Finding the Fourth Proportional to 355,729.05, 490,895.67 and 194,580.63

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Solution

The fourth proportional to 355,729.05, 490,895.67 and 194,580.63 is: 268,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,729.05 : 490,895.67 = 194,580.63 : x
  2. Step 2: Convert to fraction form
    355,729.05/490,895.67 = 194,580.63/x
  3. Step 3: Cross multiply
    355,729.05x = 490,895.67 × 194,580.63
  4. Step 4: Simplify right side
    355,729.05x = 95,518,788,732.87
  5. Step 5: Solve for x
    x = 95,518,788,732.87/355,729.05
  6. Step 6: Final answer
    x = 268,515.57

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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.