Home / 345,273.98-476,490.96-190,231.58

Finding the Fourth Proportional to 345,273.98, 476,490.96 and 190,231.58

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Solution

The fourth proportional to 345,273.98, 476,490.96 and 190,231.58 is: 262,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,273.98 : 476,490.96 = 190,231.58 : x
  2. Step 2: Convert to fraction form
    345,273.98/476,490.96 = 190,231.58/x
  3. Step 3: Cross multiply
    345,273.98x = 476,490.96 × 190,231.58
  4. Step 4: Simplify right side
    345,273.98x = 90,643,628,176.52
  5. Step 5: Solve for x
    x = 90,643,628,176.52/345,273.98
  6. Step 6: Final answer
    x = 262,526.67

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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.