Home / 238,828.50-358,235.06-81,058.32

Finding the Fourth Proportional to 238,828.50, 358,235.06 and 81,058.32

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Solution

The fourth proportional to 238,828.50, 358,235.06 and 81,058.32 is: 121,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,828.50 : 358,235.06 = 81,058.32 : x
  2. Step 2: Convert to fraction form
    238,828.50/358,235.06 = 81,058.32/x
  3. Step 3: Cross multiply
    238,828.50x = 358,235.06 × 81,058.32
  4. Step 4: Simplify right side
    238,828.50x = 29,037,931,723.41
  5. Step 5: Solve for x
    x = 29,037,931,723.41/238,828.50
  6. Step 6: Final answer
    x = 121,584.87

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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.