Home / 427,357.13-641,254.40-174,824.24

Finding the Fourth Proportional to 427,357.13, 641,254.40 and 174,824.24

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Solution

The fourth proportional to 427,357.13, 641,254.40 and 174,824.24 is: 262,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,357.13 : 641,254.40 = 174,824.24 : x
  2. Step 2: Convert to fraction form
    427,357.13/641,254.40 = 174,824.24/x
  3. Step 3: Cross multiply
    427,357.13x = 641,254.40 × 174,824.24
  4. Step 4: Simplify right side
    427,357.13x = 112,106,815,166.85
  5. Step 5: Solve for x
    x = 112,106,815,166.85/427,357.13
  6. Step 6: Final answer
    x = 262,325.83

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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.