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Finding the Fourth Proportional to 389,488, 584,232 and 94,000

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Solution

The fourth proportional to 389,488, 584,232 and 94,000 is: 141,000

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,488 : 584,232 = 94,000 : x
  2. Step 2: Convert to fraction form
    389,488/584,232 = 94,000/x
  3. Step 3: Cross multiply
    389,488x = 584,232 × 94,000
  4. Step 4: Simplify right side
    389,488x = 54,917,808,000
  5. Step 5: Solve for x
    x = 54,917,808,000/389,488
  6. Step 6: Final answer
    x = 141,000

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.