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Finding the Fourth Proportional to 497,145.88, 745,828.62 and 181,602.28

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Solution

The fourth proportional to 497,145.88, 745,828.62 and 181,602.28 is: 272,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,145.88 : 745,828.62 = 181,602.28 : x
  2. Step 2: Convert to fraction form
    497,145.88/745,828.62 = 181,602.28/x
  3. Step 3: Cross multiply
    497,145.88x = 745,828.62 × 181,602.28
  4. Step 4: Simplify right side
    497,145.88x = 135,444,177,881.25
  5. Step 5: Solve for x
    x = 135,444,177,881.25/497,145.88
  6. Step 6: Final answer
    x = 272,443.53

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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.