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Finding the Fourth Proportional to 370,242.99, 510,935.73 and 200,476.71

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Solution

The fourth proportional to 370,242.99, 510,935.73 and 200,476.71 is: 276,658.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,242.99 : 510,935.73 = 200,476.71 : x
  2. Step 2: Convert to fraction form
    370,242.99/510,935.73 = 200,476.71/x
  3. Step 3: Cross multiply
    370,242.99x = 510,935.73 × 200,476.71
  4. Step 4: Simplify right side
    370,242.99x = 102,430,714,171.85
  5. Step 5: Solve for x
    x = 102,430,714,171.85/370,242.99
  6. Step 6: Final answer
    x = 276,658.08

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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.