Home / 238,935.36-358,624.44-120,689.58

Finding the Fourth Proportional to 238,935.36, 358,624.44 and 120,689.58

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Solution

The fourth proportional to 238,935.36, 358,624.44 and 120,689.58 is: 181,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,935.36 : 358,624.44 = 120,689.58 : x
  2. Step 2: Convert to fraction form
    238,935.36/358,624.44 = 120,689.58/x
  3. Step 3: Cross multiply
    238,935.36x = 358,624.44 × 120,689.58
  4. Step 4: Simplify right side
    238,935.36x = 43,282,233,041.34
  5. Step 5: Solve for x
    x = 43,282,233,041.34/238,935.36
  6. Step 6: Final answer
    x = 181,146.20

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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.