Home / 266,161.50-367,303.46-145,302.80

Finding the Fourth Proportional to 266,161.50, 367,303.46 and 145,302.80

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Solution

The fourth proportional to 266,161.50, 367,303.46 and 145,302.80 is: 200,518.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,161.50 : 367,303.46 = 145,302.80 : x
  2. Step 2: Convert to fraction form
    266,161.50/367,303.46 = 145,302.80/x
  3. Step 3: Cross multiply
    266,161.50x = 367,303.46 × 145,302.80
  4. Step 4: Simplify right side
    266,161.50x = 53,370,218,624.66
  5. Step 5: Solve for x
    x = 53,370,218,624.66/266,161.50
  6. Step 6: Final answer
    x = 200,518.18

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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.