Home / 358,358.04-494,554.50-205,421.68

Finding the Fourth Proportional to 358,358.04, 494,554.50 and 205,421.68

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Solution

The fourth proportional to 358,358.04, 494,554.50 and 205,421.68 is: 283,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,358.04 : 494,554.50 = 205,421.68 : x
  2. Step 2: Convert to fraction form
    358,358.04/494,554.50 = 205,421.68/x
  3. Step 3: Cross multiply
    358,358.04x = 494,554.50 × 205,421.68
  4. Step 4: Simplify right side
    358,358.04x = 101,592,216,241.56
  5. Step 5: Solve for x
    x = 101,592,216,241.56/358,358.04
  6. Step 6: Final answer
    x = 283,493.62

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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.