Home / 208,439.26-312,503.37-97,605.34

Finding the Fourth Proportional to 208,439.26, 312,503.37 and 97,605.34

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Solution

The fourth proportional to 208,439.26, 312,503.37 and 97,605.34 is: 146,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,439.26 : 312,503.37 = 97,605.34 : x
  2. Step 2: Convert to fraction form
    208,439.26/312,503.37 = 97,605.34/x
  3. Step 3: Cross multiply
    208,439.26x = 312,503.37 × 97,605.34
  4. Step 4: Simplify right side
    208,439.26x = 30,501,997,680.00
  5. Step 5: Solve for x
    x = 30,501,997,680.00/208,439.26
  6. Step 6: Final answer
    x = 146,335.19

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1.5x scale

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.