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Finding the Fourth Proportional to 238,351.51, 357,530.27 and 69,875.22

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Solution

The fourth proportional to 238,351.51, 357,530.27 and 69,875.22 is: 104,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,351.51 : 357,530.27 = 69,875.22 : x
  2. Step 2: Convert to fraction form
    238,351.51/357,530.27 = 69,875.22/x
  3. Step 3: Cross multiply
    238,351.51x = 357,530.27 × 69,875.22
  4. Step 4: Simplify right side
    238,351.51x = 24,982,506,272.91
  5. Step 5: Solve for x
    x = 24,982,506,272.91/238,351.51
  6. Step 6: Final answer
    x = 104,813.71

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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.