Home / 226,038.40-339,057.60-131,430.40

Finding the Fourth Proportional to 226,038.40, 339,057.60 and 131,430.40

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Solution

The fourth proportional to 226,038.40, 339,057.60 and 131,430.40 is: 197,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,038.40 : 339,057.60 = 131,430.40 : x
  2. Step 2: Convert to fraction form
    226,038.40/339,057.60 = 131,430.40/x
  3. Step 3: Cross multiply
    226,038.40x = 339,057.60 × 131,430.40
  4. Step 4: Simplify right side
    226,038.40x = 44,562,475,991.04
  5. Step 5: Solve for x
    x = 44,562,475,991.04/226,038.40
  6. Step 6: Final answer
    x = 197,145.60

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1.5x scale

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.