Home / 272,290.82-375,732.56-151,412.58

Finding the Fourth Proportional to 272,290.82, 375,732.56 and 151,412.58

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Solution

The fourth proportional to 272,290.82, 375,732.56 and 151,412.58 is: 208,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,290.82 : 375,732.56 = 151,412.58 : x
  2. Step 2: Convert to fraction form
    272,290.82/375,732.56 = 151,412.58/x
  3. Step 3: Cross multiply
    272,290.82x = 375,732.56 × 151,412.58
  4. Step 4: Simplify right side
    272,290.82x = 56,890,636,678.14
  5. Step 5: Solve for x
    x = 56,890,636,678.14/272,290.82
  6. Step 6: Final answer
    x = 208,933.37

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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.