Home / 370,285.28-510,995.32-200,519.60

Finding the Fourth Proportional to 370,285.28, 510,995.32 and 200,519.60

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Solution

The fourth proportional to 370,285.28, 510,995.32 and 200,519.60 is: 276,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,285.28 : 510,995.32 = 200,519.60 : x
  2. Step 2: Convert to fraction form
    370,285.28/510,995.32 = 200,519.60/x
  3. Step 3: Cross multiply
    370,285.28x = 510,995.32 × 200,519.60
  4. Step 4: Simplify right side
    370,285.28x = 102,464,577,168.27
  5. Step 5: Solve for x
    x = 102,464,577,168.27/370,285.28
  6. Step 6: Final answer
    x = 276,717.93

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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.