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Finding the Fourth Proportional to 333,180.69, 459,789.40 and 180,218.81

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Solution

The fourth proportional to 333,180.69, 459,789.40 and 180,218.81 is: 248,701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,180.69 : 459,789.40 = 180,218.81 : x
  2. Step 2: Convert to fraction form
    333,180.69/459,789.40 = 180,218.81/x
  3. Step 3: Cross multiply
    333,180.69x = 459,789.40 × 180,218.81
  4. Step 4: Simplify right side
    333,180.69x = 82,862,698,518.61
  5. Step 5: Solve for x
    x = 82,862,698,518.61/333,180.69
  6. Step 6: Final answer
    x = 248,701.98

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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.