Home / 372,389.27-513,935.01-219,476.70

Finding the Fourth Proportional to 372,389.27, 513,935.01 and 219,476.70

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Solution

The fourth proportional to 372,389.27, 513,935.01 and 219,476.70 is: 302,900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,389.27 : 513,935.01 = 219,476.70 : x
  2. Step 2: Convert to fraction form
    372,389.27/513,935.01 = 219,476.70/x
  3. Step 3: Cross multiply
    372,389.27x = 513,935.01 × 219,476.70
  4. Step 4: Simplify right side
    372,389.27x = 112,796,760,009.27
  5. Step 5: Solve for x
    x = 112,796,760,009.27/372,389.27
  6. Step 6: Final answer
    x = 302,900.14

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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.