Home / 487,837.03-731,221.75-251,193.91

Finding the Fourth Proportional to 487,837.03, 731,221.75 and 251,193.91

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Solution

The fourth proportional to 487,837.03, 731,221.75 and 251,193.91 is: 376,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,837.03 : 731,221.75 = 251,193.91 : x
  2. Step 2: Convert to fraction form
    487,837.03/731,221.75 = 251,193.91/x
  3. Step 3: Cross multiply
    487,837.03x = 731,221.75 × 251,193.91
  4. Step 4: Simplify right side
    487,837.03x = 183,678,450,459.54
  5. Step 5: Solve for x
    x = 183,678,450,459.54/487,837.03
  6. Step 6: Final answer
    x = 376,516.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.