Home / 389,818.20-584,273.70-179,477.40

Finding the Fourth Proportional to 389,818.20, 584,273.70 and 179,477.40

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Solution

The fourth proportional to 389,818.20, 584,273.70 and 179,477.40 is: 269,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,818.20 : 584,273.70 = 179,477.40 : x
  2. Step 2: Convert to fraction form
    389,818.20/584,273.70 = 179,477.40/x
  3. Step 3: Cross multiply
    389,818.20x = 584,273.70 × 179,477.40
  4. Step 4: Simplify right side
    389,818.20x = 104,863,924,564.38
  5. Step 5: Solve for x
    x = 104,863,924,564.38/389,818.20
  6. Step 6: Final answer
    x = 269,007.26

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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.