Home / 371,333.44-512,296.60-210,151.52

Finding the Fourth Proportional to 371,333.44, 512,296.60 and 210,151.52

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Solution

The fourth proportional to 371,333.44, 512,296.60 and 210,151.52 is: 289,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,333.44 : 512,296.60 = 210,151.52 : x
  2. Step 2: Convert to fraction form
    371,333.44/512,296.60 = 210,151.52/x
  3. Step 3: Cross multiply
    371,333.44x = 512,296.60 × 210,151.52
  4. Step 4: Simplify right side
    371,333.44x = 107,659,909,180.83
  5. Step 5: Solve for x
    x = 107,659,909,180.83/371,333.44
  6. Step 6: Final answer
    x = 289,927.86

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1.5x scale

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.