Home / 370,274.96-510,979.32-200,509.04

Finding the Fourth Proportional to 370,274.96, 510,979.32 and 200,509.04

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Solution

The fourth proportional to 370,274.96, 510,979.32 and 200,509.04 is: 276,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,274.96 : 510,979.32 = 200,509.04 : x
  2. Step 2: Convert to fraction form
    370,274.96/510,979.32 = 200,509.04/x
  3. Step 3: Cross multiply
    370,274.96x = 510,979.32 × 200,509.04
  4. Step 4: Simplify right side
    370,274.96x = 102,455,972,913.05
  5. Step 5: Solve for x
    x = 102,455,972,913.05/370,274.96
  6. Step 6: Final answer
    x = 276,702.41

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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.