Home / 217,913.12-300,598.77-202,500.50

Finding the Fourth Proportional to 217,913.12, 300,598.77 and 202,500.50

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Solution

The fourth proportional to 217,913.12, 300,598.77 and 202,500.50 is: 279,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,913.12 : 300,598.77 = 202,500.50 : x
  2. Step 2: Convert to fraction form
    217,913.12/300,598.77 = 202,500.50/x
  3. Step 3: Cross multiply
    217,913.12x = 300,598.77 × 202,500.50
  4. Step 4: Simplify right side
    217,913.12x = 60,871,401,224.39
  5. Step 5: Solve for x
    x = 60,871,401,224.39/217,913.12
  6. Step 6: Final answer
    x = 279,337.94

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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.