Home / 276,223.45-381,184.56-155,364.67

Finding the Fourth Proportional to 276,223.45, 381,184.56 and 155,364.67

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Solution

The fourth proportional to 276,223.45, 381,184.56 and 155,364.67 is: 214,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,223.45 : 381,184.56 = 155,364.67 : x
  2. Step 2: Convert to fraction form
    276,223.45/381,184.56 = 155,364.67/x
  3. Step 3: Cross multiply
    276,223.45x = 381,184.56 × 155,364.67
  4. Step 4: Simplify right side
    276,223.45x = 59,222,613,373.50
  5. Step 5: Solve for x
    x = 59,222,613,373.50/276,223.45
  6. Step 6: Final answer
    x = 214,401.11

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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.