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Finding the Fourth Proportional to 551,303.70, 826,761.15 and 251,927.70

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Solution

The fourth proportional to 551,303.70, 826,761.15 and 251,927.70 is: 377,802.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,303.70 : 826,761.15 = 251,927.70 : x
  2. Step 2: Convert to fraction form
    551,303.70/826,761.15 = 251,927.70/x
  3. Step 3: Cross multiply
    551,303.70x = 826,761.15 × 251,927.70
  4. Step 4: Simplify right side
    551,303.70x = 208,284,034,968.86
  5. Step 5: Solve for x
    x = 208,284,034,968.86/551,303.70
  6. Step 6: Final answer
    x = 377,802.72

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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.