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Finding the Fourth Proportional to 389,606, 583,966.08 and 164,826.32

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Solution

The fourth proportional to 389,606, 583,966.08 and 164,826.32 is: 247,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,606 : 583,966.08 = 164,826.32 : x
  2. Step 2: Convert to fraction form
    389,606/583,966.08 = 164,826.32/x
  3. Step 3: Cross multiply
    389,606x = 583,966.08 × 164,826.32
  4. Step 4: Simplify right side
    389,606x = 96,252,979,971.23
  5. Step 5: Solve for x
    x = 96,252,979,971.23/389,606
  6. Step 6: Final answer
    x = 247,052.10

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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.