Home / 291,217.39-436,888.45-164,917.33

Finding the Fourth Proportional to 291,217.39, 436,888.45 and 164,917.33

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Solution

The fourth proportional to 291,217.39, 436,888.45 and 164,917.33 is: 247,411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,217.39 : 436,888.45 = 164,917.33 : x
  2. Step 2: Convert to fraction form
    291,217.39/436,888.45 = 164,917.33/x
  3. Step 3: Cross multiply
    291,217.39x = 436,888.45 × 164,917.33
  4. Step 4: Simplify right side
    291,217.39x = 72,050,475,795.76
  5. Step 5: Solve for x
    x = 72,050,475,795.76/291,217.39
  6. Step 6: Final answer
    x = 247,411.31

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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.