Home / 370,276.78-510,979.04-200,510.91

Finding the Fourth Proportional to 370,276.78, 510,979.04 and 200,510.91

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Solution

The fourth proportional to 370,276.78, 510,979.04 and 200,510.91 is: 276,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,276.78 : 510,979.04 = 200,510.91 : x
  2. Step 2: Convert to fraction form
    370,276.78/510,979.04 = 200,510.91/x
  3. Step 3: Cross multiply
    370,276.78x = 510,979.04 × 200,510.91
  4. Step 4: Simplify right side
    370,276.78x = 102,456,872,301.33
  5. Step 5: Solve for x
    x = 102,456,872,301.33/370,276.78
  6. Step 6: Final answer
    x = 276,703.48

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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.