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Finding the Fourth Proportional to 380,850.35, 525,334.49 and 245,060.74

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Solution

The fourth proportional to 380,850.35, 525,334.49 and 245,060.74 is: 338,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,850.35 : 525,334.49 = 245,060.74 : x
  2. Step 2: Convert to fraction form
    380,850.35/525,334.49 = 245,060.74/x
  3. Step 3: Cross multiply
    380,850.35x = 525,334.49 × 245,060.74
  4. Step 4: Simplify right side
    380,850.35x = 128,738,858,866.92
  5. Step 5: Solve for x
    x = 128,738,858,866.92/380,850.35
  6. Step 6: Final answer
    x = 338,030.04

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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.