Home / 208,244.96-312,368.46-64,149.12

Finding the Fourth Proportional to 208,244.96, 312,368.46 and 64,149.12

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Solution

The fourth proportional to 208,244.96, 312,368.46 and 64,149.12 is: 96,223.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,244.96 : 312,368.46 = 64,149.12 : x
  2. Step 2: Convert to fraction form
    208,244.96/312,368.46 = 64,149.12/x
  3. Step 3: Cross multiply
    208,244.96x = 312,368.46 × 64,149.12
  4. Step 4: Simplify right side
    208,244.96x = 20,038,161,824.76
  5. Step 5: Solve for x
    x = 20,038,161,824.76/208,244.96
  6. Step 6: Final answer
    x = 96,223.99

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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.