Home / 373,253.40-515,087.10-212,095.80

Finding the Fourth Proportional to 373,253.40, 515,087.10 and 212,095.80

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Solution

The fourth proportional to 373,253.40, 515,087.10 and 212,095.80 is: 292,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,253.40 : 515,087.10 = 212,095.80 : x
  2. Step 2: Convert to fraction form
    373,253.40/515,087.10 = 212,095.80/x
  3. Step 3: Cross multiply
    373,253.40x = 515,087.10 × 212,095.80
  4. Step 4: Simplify right side
    373,253.40x = 109,247,810,544.18
  5. Step 5: Solve for x
    x = 109,247,810,544.18/373,253.40
  6. Step 6: Final answer
    x = 292,690.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.