Home / 373,645.02-515,641.52-212,523.29

Finding the Fourth Proportional to 373,645.02, 515,641.52 and 212,523.29

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Solution

The fourth proportional to 373,645.02, 515,641.52 and 212,523.29 is: 293,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,645.02 : 515,641.52 = 212,523.29 : x
  2. Step 2: Convert to fraction form
    373,645.02/515,641.52 = 212,523.29/x
  3. Step 3: Cross multiply
    373,645.02x = 515,641.52 × 212,523.29
  4. Step 4: Simplify right side
    373,645.02x = 109,585,830,244.10
  5. Step 5: Solve for x
    x = 109,585,830,244.10/373,645.02
  6. Step 6: Final answer
    x = 293,288.61

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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.