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Finding the Fourth Proportional to 272,237.40, 375,694.12 and 151,383.78

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Solution

The fourth proportional to 272,237.40, 375,694.12 and 151,383.78 is: 208,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,237.40 : 375,694.12 = 151,383.78 : x
  2. Step 2: Convert to fraction form
    272,237.40/375,694.12 = 151,383.78/x
  3. Step 3: Cross multiply
    272,237.40x = 375,694.12 × 151,383.78
  4. Step 4: Simplify right side
    272,237.40x = 56,873,996,009.37
  5. Step 5: Solve for x
    x = 56,873,996,009.37/272,237.40
  6. Step 6: Final answer
    x = 208,913.24

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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.