Home / 371,375.15-512,509.98-210,226.86

Finding the Fourth Proportional to 371,375.15, 512,509.98 and 210,226.86

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Solution

The fourth proportional to 371,375.15, 512,509.98 and 210,226.86 is: 290,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,375.15 : 512,509.98 = 210,226.86 : x
  2. Step 2: Convert to fraction form
    371,375.15/512,509.98 = 210,226.86/x
  3. Step 3: Cross multiply
    371,375.15x = 512,509.98 × 210,226.86
  4. Step 4: Simplify right side
    371,375.15x = 107,743,364,602.41
  5. Step 5: Solve for x
    x = 107,743,364,602.41/371,375.15
  6. Step 6: Final answer
    x = 290,120.02

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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.