Home / 443,030.21-664,513.18-173,107.59

Finding the Fourth Proportional to 443,030.21, 664,513.18 and 173,107.59

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Solution

The fourth proportional to 443,030.21, 664,513.18 and 173,107.59 is: 259,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,030.21 : 664,513.18 = 173,107.59 : x
  2. Step 2: Convert to fraction form
    443,030.21/664,513.18 = 173,107.59/x
  3. Step 3: Cross multiply
    443,030.21x = 664,513.18 × 173,107.59
  4. Step 4: Simplify right side
    443,030.21x = 115,032,271,790.47
  5. Step 5: Solve for x
    x = 115,032,271,790.47/443,030.21
  6. Step 6: Final answer
    x = 259,648.82

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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.