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Finding the Fourth Proportional to 328,910, 453,897.66 and 183,721.89

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Solution

The fourth proportional to 328,910, 453,897.66 and 183,721.89 is: 253,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,910 : 453,897.66 = 183,721.89 : x
  2. Step 2: Convert to fraction form
    328,910/453,897.66 = 183,721.89/x
  3. Step 3: Cross multiply
    328,910x = 453,897.66 × 183,721.89
  4. Step 4: Simplify right side
    328,910x = 83,390,935,961.78
  5. Step 5: Solve for x
    x = 83,390,935,961.78/328,910
  6. Step 6: Final answer
    x = 253,537.25

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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.