Home / 272,033.12-375,406.13-151,171.31

Finding the Fourth Proportional to 272,033.12, 375,406.13 and 151,171.31

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Solution

The fourth proportional to 272,033.12, 375,406.13 and 151,171.31 is: 208,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,033.12 : 375,406.13 = 151,171.31 : x
  2. Step 2: Convert to fraction form
    272,033.12/375,406.13 = 151,171.31/x
  3. Step 3: Cross multiply
    272,033.12x = 375,406.13 × 151,171.31
  4. Step 4: Simplify right side
    272,033.12x = 56,750,637,770.57
  5. Step 5: Solve for x
    x = 56,750,637,770.57/272,033.12
  6. Step 6: Final answer
    x = 208,616.65

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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.