Home / 370,190.07-510,858.36-209,035.71

Finding the Fourth Proportional to 370,190.07, 510,858.36 and 209,035.71

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Solution

The fourth proportional to 370,190.07, 510,858.36 and 209,035.71 is: 288,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,190.07 : 510,858.36 = 209,035.71 : x
  2. Step 2: Convert to fraction form
    370,190.07/510,858.36 = 209,035.71/x
  3. Step 3: Cross multiply
    370,190.07x = 510,858.36 × 209,035.71
  4. Step 4: Simplify right side
    370,190.07x = 106,787,639,992.04
  5. Step 5: Solve for x
    x = 106,787,639,992.04/370,190.07
  6. Step 6: Final answer
    x = 288,467.06

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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.