Home / 306,669.63-423,199.56-170,703.38

Finding the Fourth Proportional to 306,669.63, 423,199.56 and 170,703.38

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Solution

The fourth proportional to 306,669.63, 423,199.56 and 170,703.38 is: 235,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,669.63 : 423,199.56 = 170,703.38 : x
  2. Step 2: Convert to fraction form
    306,669.63/423,199.56 = 170,703.38/x
  3. Step 3: Cross multiply
    306,669.63x = 423,199.56 × 170,703.38
  4. Step 4: Simplify right side
    306,669.63x = 72,241,597,004.65
  5. Step 5: Solve for x
    x = 72,241,597,004.65/306,669.63
  6. Step 6: Final answer
    x = 235,568.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.