Home / 389,938.58-584,459.52-179,133.64

Finding the Fourth Proportional to 389,938.58, 584,459.52 and 179,133.64

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Solution

The fourth proportional to 389,938.58, 584,459.52 and 179,133.64 is: 268,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,938.58 : 584,459.52 = 179,133.64 : x
  2. Step 2: Convert to fraction form
    389,938.58/584,459.52 = 179,133.64/x
  3. Step 3: Cross multiply
    389,938.58x = 584,459.52 × 179,133.64
  4. Step 4: Simplify right side
    389,938.58x = 104,696,361,250.25
  5. Step 5: Solve for x
    x = 104,696,361,250.25/389,938.58
  6. Step 6: Final answer
    x = 268,494.49

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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.