Home / 268,390.05-370,342.44-166,378.35

Finding the Fourth Proportional to 268,390.05, 370,342.44 and 166,378.35

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Solution

The fourth proportional to 268,390.05, 370,342.44 and 166,378.35 is: 229,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,390.05 : 370,342.44 = 166,378.35 : x
  2. Step 2: Convert to fraction form
    268,390.05/370,342.44 = 166,378.35/x
  3. Step 3: Cross multiply
    268,390.05x = 370,342.44 × 166,378.35
  4. Step 4: Simplify right side
    268,390.05x = 61,616,964,102.17
  5. Step 5: Solve for x
    x = 61,616,964,102.17/268,390.05
  6. Step 6: Final answer
    x = 229,579.91

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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.