Home / 238,698.36-358,047-88,935.30

Finding the Fourth Proportional to 238,698.36, 358,047 and 88,935.30

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Solution

The fourth proportional to 238,698.36, 358,047 and 88,935.30 is: 133,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,698.36 : 358,047 = 88,935.30 : x
  2. Step 2: Convert to fraction form
    238,698.36/358,047 = 88,935.30/x
  3. Step 3: Cross multiply
    238,698.36x = 358,047 × 88,935.30
  4. Step 4: Simplify right side
    238,698.36x = 31,843,017,359.10
  5. Step 5: Solve for x
    x = 31,843,017,359.10/238,698.36
  6. Step 6: Final answer
    x = 133,402.75

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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.