Home / 319,600.16-476,969.60-284,171.84

Finding the Fourth Proportional to 319,600.16, 476,969.60 and 284,171.84

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Solution

The fourth proportional to 319,600.16, 476,969.60 and 284,171.84 is: 424,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,600.16 : 476,969.60 = 284,171.84 : x
  2. Step 2: Convert to fraction form
    319,600.16/476,969.60 = 284,171.84/x
  3. Step 3: Cross multiply
    319,600.16x = 476,969.60 × 284,171.84
  4. Step 4: Simplify right side
    319,600.16x = 135,541,328,856.06
  5. Step 5: Solve for x
    x = 135,541,328,856.06/319,600.16
  6. Step 6: Final answer
    x = 424,096.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.