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Finding the Fourth Proportional to 389,598, 583,954.08 and 164,818.32

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Solution

The fourth proportional to 389,598, 583,954.08 and 164,818.32 is: 247,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,598 : 583,954.08 = 164,818.32 : x
  2. Step 2: Convert to fraction form
    389,598/583,954.08 = 164,818.32/x
  3. Step 3: Cross multiply
    389,598x = 583,954.08 × 164,818.32
  4. Step 4: Simplify right side
    389,598x = 96,246,330,422.75
  5. Step 5: Solve for x
    x = 96,246,330,422.75/389,598
  6. Step 6: Final answer
    x = 247,040.10

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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.