Home / 214,228.38-319,427.24-208,343.10

Finding the Fourth Proportional to 214,228.38, 319,427.24 and 208,343.10

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Solution

The fourth proportional to 214,228.38, 319,427.24 and 208,343.10 is: 310,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,228.38 : 319,427.24 = 208,343.10 : x
  2. Step 2: Convert to fraction form
    214,228.38/319,427.24 = 208,343.10/x
  3. Step 3: Cross multiply
    214,228.38x = 319,427.24 × 208,343.10
  4. Step 4: Simplify right side
    214,228.38x = 66,550,461,406.04
  5. Step 5: Solve for x
    x = 66,550,461,406.04/214,228.38
  6. Step 6: Final answer
    x = 310,651.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.