Home / 370,160.72-510,822.96-200,395.52

Finding the Fourth Proportional to 370,160.72, 510,822.96 and 200,395.52

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Solution

The fourth proportional to 370,160.72, 510,822.96 and 200,395.52 is: 276,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,160.72 : 510,822.96 = 200,395.52 : x
  2. Step 2: Convert to fraction form
    370,160.72/510,822.96 = 200,395.52/x
  3. Step 3: Cross multiply
    370,160.72x = 510,822.96 × 200,395.52
  4. Step 4: Simplify right side
    370,160.72x = 102,366,632,697.14
  5. Step 5: Solve for x
    x = 102,366,632,697.14/370,160.72
  6. Step 6: Final answer
    x = 276,546.45

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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.