Home / 345,930.42-477,365.76-192,984.60

Finding the Fourth Proportional to 345,930.42, 477,365.76 and 192,984.60

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Solution

The fourth proportional to 345,930.42, 477,365.76 and 192,984.60 is: 266,308.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,930.42 : 477,365.76 = 192,984.60 : x
  2. Step 2: Convert to fraction form
    345,930.42/477,365.76 = 192,984.60/x
  3. Step 3: Cross multiply
    345,930.42x = 477,365.76 × 192,984.60
  4. Step 4: Simplify right side
    345,930.42x = 92,124,240,247.30
  5. Step 5: Solve for x
    x = 92,124,240,247.30/345,930.42
  6. Step 6: Final answer
    x = 266,308.58

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1.5x scale

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.