Home / 671,346.45-1,007,009.81-165,907.41

Finding the Fourth Proportional to 671,346.45, 1,007,009.81 and 165,907.41

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Solution

The fourth proportional to 671,346.45, 1,007,009.81 and 165,907.41 is: 248,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,346.45 : 1,007,009.81 = 165,907.41 : x
  2. Step 2: Convert to fraction form
    671,346.45/1,007,009.81 = 165,907.41/x
  3. Step 3: Cross multiply
    671,346.45x = 1,007,009.81 × 165,907.41
  4. Step 4: Simplify right side
    671,346.45x = 167,070,389,421.69
  5. Step 5: Solve for x
    x = 167,070,389,421.69/671,346.45
  6. Step 6: Final answer
    x = 248,858.68

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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.