Home / 219,348.77-302,701.28-122,552.64

Finding the Fourth Proportional to 219,348.77, 302,701.28 and 122,552.64

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Solution

The fourth proportional to 219,348.77, 302,701.28 and 122,552.64 is: 169,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,348.77 : 302,701.28 = 122,552.64 : x
  2. Step 2: Convert to fraction form
    219,348.77/302,701.28 = 122,552.64/x
  3. Step 3: Cross multiply
    219,348.77x = 302,701.28 × 122,552.64
  4. Step 4: Simplify right side
    219,348.77x = 37,096,840,382.62
  5. Step 5: Solve for x
    x = 37,096,840,382.62/219,348.77
  6. Step 6: Final answer
    x = 169,122.63

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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.