Home / 278,304.05-417,196.36-109,825.77

Finding the Fourth Proportional to 278,304.05, 417,196.36 and 109,825.77

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Solution

The fourth proportional to 278,304.05, 417,196.36 and 109,825.77 is: 164,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,304.05 : 417,196.36 = 109,825.77 : x
  2. Step 2: Convert to fraction form
    278,304.05/417,196.36 = 109,825.77/x
  3. Step 3: Cross multiply
    278,304.05x = 417,196.36 × 109,825.77
  4. Step 4: Simplify right side
    278,304.05x = 45,818,911,478.20
  5. Step 5: Solve for x
    x = 45,818,911,478.20/278,304.05
  6. Step 6: Final answer
    x = 164,636.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.