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Finding the Fourth Proportional to 238,804.22, 358,083.03 and 70,302.71

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Solution

The fourth proportional to 238,804.22, 358,083.03 and 70,302.71 is: 105,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,804.22 : 358,083.03 = 70,302.71 : x
  2. Step 2: Convert to fraction form
    238,804.22/358,083.03 = 70,302.71/x
  3. Step 3: Cross multiply
    238,804.22x = 358,083.03 × 70,302.71
  4. Step 4: Simplify right side
    238,804.22x = 25,174,207,414.01
  5. Step 5: Solve for x
    x = 25,174,207,414.01/238,804.22
  6. Step 6: Final answer
    x = 105,417.77

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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.