Home / 208,828.70-312,897.45-177,724.70

Finding the Fourth Proportional to 208,828.70, 312,897.45 and 177,724.70

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Solution

The fourth proportional to 208,828.70, 312,897.45 and 177,724.70 is: 266,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,828.70 : 312,897.45 = 177,724.70 : x
  2. Step 2: Convert to fraction form
    208,828.70/312,897.45 = 177,724.70/x
  3. Step 3: Cross multiply
    208,828.70x = 312,897.45 × 177,724.70
  4. Step 4: Simplify right side
    208,828.70x = 55,609,605,432.02
  5. Step 5: Solve for x
    x = 55,609,605,432.02/208,828.70
  6. Step 6: Final answer
    x = 266,292.93

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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.