Home / 446,345.34-669,428.50-218,542.81

Finding the Fourth Proportional to 446,345.34, 669,428.50 and 218,542.81

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Solution

The fourth proportional to 446,345.34, 669,428.50 and 218,542.81 is: 327,770.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,345.34 : 669,428.50 = 218,542.81 : x
  2. Step 2: Convert to fraction form
    446,345.34/669,428.50 = 218,542.81/x
  3. Step 3: Cross multiply
    446,345.34x = 669,428.50 × 218,542.81
  4. Step 4: Simplify right side
    446,345.34x = 146,298,788,675.24
  5. Step 5: Solve for x
    x = 146,298,788,675.24/446,345.34
  6. Step 6: Final answer
    x = 327,770.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.