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Finding the Fourth Proportional to 238,303.08, 357,506.06 and 80,528.04

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Solution

The fourth proportional to 238,303.08, 357,506.06 and 80,528.04 is: 120,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,303.08 : 357,506.06 = 80,528.04 : x
  2. Step 2: Convert to fraction form
    238,303.08/357,506.06 = 80,528.04/x
  3. Step 3: Cross multiply
    238,303.08x = 357,506.06 × 80,528.04
  4. Step 4: Simplify right side
    238,303.08x = 28,789,261,897.28
  5. Step 5: Solve for x
    x = 28,789,261,897.28/238,303.08
  6. Step 6: Final answer
    x = 120,809.44

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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.