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Finding the Fourth Proportional to 560,001.86, 840,005.82 and 139,277.73

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Solution

The fourth proportional to 560,001.86, 840,005.82 and 139,277.73 is: 208,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,001.86 : 840,005.82 = 139,277.73 : x
  2. Step 2: Convert to fraction form
    560,001.86/840,005.82 = 139,277.73/x
  3. Step 3: Cross multiply
    560,001.86x = 840,005.82 × 139,277.73
  4. Step 4: Simplify right side
    560,001.86x = 116,994,103,796.39
  5. Step 5: Solve for x
    x = 116,994,103,796.39/560,001.86
  6. Step 6: Final answer
    x = 208,917.35

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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.