Home / 351,021.60-526,532.40-262,448.10

Finding the Fourth Proportional to 351,021.60, 526,532.40 and 262,448.10

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Solution

The fourth proportional to 351,021.60, 526,532.40 and 262,448.10 is: 393,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,021.60 : 526,532.40 = 262,448.10 : x
  2. Step 2: Convert to fraction form
    351,021.60/526,532.40 = 262,448.10/x
  3. Step 3: Cross multiply
    351,021.60x = 526,532.40 × 262,448.10
  4. Step 4: Simplify right side
    351,021.60x = 138,187,427,968.44
  5. Step 5: Solve for x
    x = 138,187,427,968.44/351,021.60
  6. Step 6: Final answer
    x = 393,672.15

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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.