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Finding the Fourth Proportional to 550,703.76, 826,064.76 and 151,342.12

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Solution

The fourth proportional to 550,703.76, 826,064.76 and 151,342.12 is: 227,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,703.76 : 826,064.76 = 151,342.12 : x
  2. Step 2: Convert to fraction form
    550,703.76/826,064.76 = 151,342.12/x
  3. Step 3: Cross multiply
    550,703.76x = 826,064.76 × 151,342.12
  4. Step 4: Simplify right side
    550,703.76x = 125,018,392,035.69
  5. Step 5: Solve for x
    x = 125,018,392,035.69/550,703.76
  6. Step 6: Final answer
    x = 227,015.69

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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.