Home / 208,386.56-312,543.62-58,591.31

Finding the Fourth Proportional to 208,386.56, 312,543.62 and 58,591.31

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Solution

The fourth proportional to 208,386.56, 312,543.62 and 58,591.31 is: 87,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,386.56 : 312,543.62 = 58,591.31 : x
  2. Step 2: Convert to fraction form
    208,386.56/312,543.62 = 58,591.31/x
  3. Step 3: Cross multiply
    208,386.56x = 312,543.62 × 58,591.31
  4. Step 4: Simplify right side
    208,386.56x = 18,312,338,272.27
  5. Step 5: Solve for x
    x = 18,312,338,272.27/208,386.56
  6. Step 6: Final answer
    x = 87,876.77

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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.