Home / 643,346.23-965,027.56-170,027.50

Finding the Fourth Proportional to 643,346.23, 965,027.56 and 170,027.50

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Solution

The fourth proportional to 643,346.23, 965,027.56 and 170,027.50 is: 255,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,346.23 : 965,027.56 = 170,027.50 : x
  2. Step 2: Convert to fraction form
    643,346.23/965,027.56 = 170,027.50/x
  3. Step 3: Cross multiply
    643,346.23x = 965,027.56 × 170,027.50
  4. Step 4: Simplify right side
    643,346.23x = 164,081,223,457.90
  5. Step 5: Solve for x
    x = 164,081,223,457.90/643,346.23
  6. Step 6: Final answer
    x = 255,043.42

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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.