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Finding the Fourth Proportional to 238,325.02, 328,894.50 and 130,905.16

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Solution

The fourth proportional to 238,325.02, 328,894.50 and 130,905.16 is: 180,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,325.02 : 328,894.50 = 130,905.16 : x
  2. Step 2: Convert to fraction form
    238,325.02/328,894.50 = 130,905.16/x
  3. Step 3: Cross multiply
    238,325.02x = 328,894.50 × 130,905.16
  4. Step 4: Simplify right side
    238,325.02x = 43,053,987,145.62
  5. Step 5: Solve for x
    x = 43,053,987,145.62/238,325.02
  6. Step 6: Final answer
    x = 180,652.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.