Home / 266,140.48-367,259.85-145,258.30

Finding the Fourth Proportional to 266,140.48, 367,259.85 and 145,258.30

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Solution

The fourth proportional to 266,140.48, 367,259.85 and 145,258.30 is: 200,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,140.48 : 367,259.85 = 145,258.30 : x
  2. Step 2: Convert to fraction form
    266,140.48/367,259.85 = 145,258.30/x
  3. Step 3: Cross multiply
    266,140.48x = 367,259.85 × 145,258.30
  4. Step 4: Simplify right side
    266,140.48x = 53,347,541,469.26
  5. Step 5: Solve for x
    x = 53,347,541,469.26/266,140.48
  6. Step 6: Final answer
    x = 200,448.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.