Home / 251,461.04-347,028.86-155,998.49

Finding the Fourth Proportional to 251,461.04, 347,028.86 and 155,998.49

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Solution

The fourth proportional to 251,461.04, 347,028.86 and 155,998.49 is: 215,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,461.04 : 347,028.86 = 155,998.49 : x
  2. Step 2: Convert to fraction form
    251,461.04/347,028.86 = 155,998.49/x
  3. Step 3: Cross multiply
    251,461.04x = 347,028.86 × 155,998.49
  4. Step 4: Simplify right side
    251,461.04x = 54,135,975,631.28
  5. Step 5: Solve for x
    x = 54,135,975,631.28/251,461.04
  6. Step 6: Final answer
    x = 215,285.74

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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.