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Finding the Fourth Proportional to 272,075.52, 375,459.36 and 151,214.88

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Solution

The fourth proportional to 272,075.52, 375,459.36 and 151,214.88 is: 208,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,075.52 : 375,459.36 = 151,214.88 : x
  2. Step 2: Convert to fraction form
    272,075.52/375,459.36 = 151,214.88/x
  3. Step 3: Cross multiply
    272,075.52x = 375,459.36 × 151,214.88
  4. Step 4: Simplify right side
    272,075.52x = 56,775,042,067.28
  5. Step 5: Solve for x
    x = 56,775,042,067.28/272,075.52
  6. Step 6: Final answer
    x = 208,673.83

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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.