Home / 266,378.95-367,608.38-145,528.05

Finding the Fourth Proportional to 266,378.95, 367,608.38 and 145,528.05

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Solution

The fourth proportional to 266,378.95, 367,608.38 and 145,528.05 is: 200,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,378.95 : 367,608.38 = 145,528.05 : x
  2. Step 2: Convert to fraction form
    266,378.95/367,608.38 = 145,528.05/x
  3. Step 3: Cross multiply
    266,378.95x = 367,608.38 × 145,528.05
  4. Step 4: Simplify right side
    266,378.95x = 53,497,330,705.06
  5. Step 5: Solve for x
    x = 53,497,330,705.06/266,378.95
  6. Step 6: Final answer
    x = 200,831.67

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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.