Home / 348,743.40-523,115.10-264,762.60

Finding the Fourth Proportional to 348,743.40, 523,115.10 and 264,762.60

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Solution

The fourth proportional to 348,743.40, 523,115.10 and 264,762.60 is: 397,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,743.40 : 523,115.10 = 264,762.60 : x
  2. Step 2: Convert to fraction form
    348,743.40/523,115.10 = 264,762.60/x
  3. Step 3: Cross multiply
    348,743.40x = 523,115.10 × 264,762.60
  4. Step 4: Simplify right side
    348,743.40x = 138,501,313,975.26
  5. Step 5: Solve for x
    x = 138,501,313,975.26/348,743.40
  6. Step 6: Final answer
    x = 397,143.90

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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.