Home / 389,901.11-584,907.44-120,052.07

Finding the Fourth Proportional to 389,901.11, 584,907.44 and 120,052.07

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Solution

The fourth proportional to 389,901.11, 584,907.44 and 120,052.07 is: 180,095.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,901.11 : 584,907.44 = 120,052.07 : x
  2. Step 2: Convert to fraction form
    389,901.11/584,907.44 = 120,052.07/x
  3. Step 3: Cross multiply
    389,901.11x = 584,907.44 × 120,052.07
  4. Step 4: Simplify right side
    389,901.11x = 70,219,348,930.40
  5. Step 5: Solve for x
    x = 70,219,348,930.40/389,901.11
  6. Step 6: Final answer
    x = 180,095.28

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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.