Home / 355,741.05-490,916.20-194,594.69

Finding the Fourth Proportional to 355,741.05, 490,916.20 and 194,594.69

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Solution

The fourth proportional to 355,741.05, 490,916.20 and 194,594.69 is: 268,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,741.05 : 490,916.20 = 194,594.69 : x
  2. Step 2: Convert to fraction form
    355,741.05/490,916.20 = 194,594.69/x
  3. Step 3: Cross multiply
    355,741.05x = 490,916.20 × 194,594.69
  4. Step 4: Simplify right side
    355,741.05x = 95,529,685,754.98
  5. Step 5: Solve for x
    x = 95,529,685,754.98/355,741.05
  6. Step 6: Final answer
    x = 268,537.14

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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.