Home / 251,936.30-347,646.30-155,124.80

Finding the Fourth Proportional to 251,936.30, 347,646.30 and 155,124.80

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Solution

The fourth proportional to 251,936.30, 347,646.30 and 155,124.80 is: 214,056.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,936.30 : 347,646.30 = 155,124.80 : x
  2. Step 2: Convert to fraction form
    251,936.30/347,646.30 = 155,124.80/x
  3. Step 3: Cross multiply
    251,936.30x = 347,646.30 × 155,124.80
  4. Step 4: Simplify right side
    251,936.30x = 53,928,562,758.24
  5. Step 5: Solve for x
    x = 53,928,562,758.24/251,936.30
  6. Step 6: Final answer
    x = 214,056.34

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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.