Home / 389,769.54-584,430.93-119,827.44

Finding the Fourth Proportional to 389,769.54, 584,430.93 and 119,827.44

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Solution

The fourth proportional to 389,769.54, 584,430.93 and 119,827.44 is: 179,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,769.54 : 584,430.93 = 119,827.44 : x
  2. Step 2: Convert to fraction form
    389,769.54/584,430.93 = 119,827.44/x
  3. Step 3: Cross multiply
    389,769.54x = 584,430.93 × 119,827.44
  4. Step 4: Simplify right side
    389,769.54x = 70,030,862,198.72
  5. Step 5: Solve for x
    x = 70,030,862,198.72/389,769.54
  6. Step 6: Final answer
    x = 179,672.49

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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.