Home / 369,431.20-554,146.80-169,919.39

Finding the Fourth Proportional to 369,431.20, 554,146.80 and 169,919.39

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Solution

The fourth proportional to 369,431.20, 554,146.80 and 169,919.39 is: 254,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,431.20 : 554,146.80 = 169,919.39 : x
  2. Step 2: Convert to fraction form
    369,431.20/554,146.80 = 169,919.39/x
  3. Step 3: Cross multiply
    369,431.20x = 554,146.80 × 169,919.39
  4. Step 4: Simplify right side
    369,431.20x = 94,160,286,226.45
  5. Step 5: Solve for x
    x = 94,160,286,226.45/369,431.20
  6. Step 6: Final answer
    x = 254,879.09

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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.