Home / 389,628.40-584,442.60-164,914.15

Finding the Fourth Proportional to 389,628.40, 584,442.60 and 164,914.15

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Solution

The fourth proportional to 389,628.40, 584,442.60 and 164,914.15 is: 247,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,628.40 : 584,442.60 = 164,914.15 : x
  2. Step 2: Convert to fraction form
    389,628.40/584,442.60 = 164,914.15/x
  3. Step 3: Cross multiply
    389,628.40x = 584,442.60 × 164,914.15
  4. Step 4: Simplify right side
    389,628.40x = 96,382,854,602.79
  5. Step 5: Solve for x
    x = 96,382,854,602.79/389,628.40
  6. Step 6: Final answer
    x = 247,371.23

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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.