Home / 345,970.09-477,438.93-193,008.28

Finding the Fourth Proportional to 345,970.09, 477,438.93 and 193,008.28

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Solution

The fourth proportional to 345,970.09, 477,438.93 and 193,008.28 is: 266,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,970.09 : 477,438.93 = 193,008.28 : x
  2. Step 2: Convert to fraction form
    345,970.09/477,438.93 = 193,008.28/x
  3. Step 3: Cross multiply
    345,970.09x = 477,438.93 × 193,008.28
  4. Step 4: Simplify right side
    345,970.09x = 92,149,665,960.56
  5. Step 5: Solve for x
    x = 92,149,665,960.56/345,970.09
  6. Step 6: Final answer
    x = 266,351.54

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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.