Home / 208,412.74-312,618.30-50,641.66

Finding the Fourth Proportional to 208,412.74, 312,618.30 and 50,641.66

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Solution

The fourth proportional to 208,412.74, 312,618.30 and 50,641.66 is: 75,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,412.74 : 312,618.30 = 50,641.66 : x
  2. Step 2: Convert to fraction form
    208,412.74/312,618.30 = 50,641.66/x
  3. Step 3: Cross multiply
    208,412.74x = 312,618.30 × 50,641.66
  4. Step 4: Simplify right side
    208,412.74x = 15,831,509,658.38
  5. Step 5: Solve for x
    x = 15,831,509,658.38/208,412.74
  6. Step 6: Final answer
    x = 75,962.29

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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.