Home / 361,943.36-499,526.12-208,981.28

Finding the Fourth Proportional to 361,943.36, 499,526.12 and 208,981.28

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Solution

The fourth proportional to 361,943.36, 499,526.12 and 208,981.28 is: 288,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,943.36 : 499,526.12 = 208,981.28 : x
  2. Step 2: Convert to fraction form
    361,943.36/499,526.12 = 208,981.28/x
  3. Step 3: Cross multiply
    361,943.36x = 499,526.12 × 208,981.28
  4. Step 4: Simplify right side
    361,943.36x = 104,391,608,154.94
  5. Step 5: Solve for x
    x = 104,391,608,154.94/361,943.36
  6. Step 6: Final answer
    x = 288,419.74

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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.