Home / 214,226.84-319,425-208,341.56

Finding the Fourth Proportional to 214,226.84, 319,425 and 208,341.56

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Solution

The fourth proportional to 214,226.84, 319,425 and 208,341.56 is: 310,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,226.84 : 319,425 = 208,341.56 : x
  2. Step 2: Convert to fraction form
    214,226.84/319,425 = 208,341.56/x
  3. Step 3: Cross multiply
    214,226.84x = 319,425 × 208,341.56
  4. Step 4: Simplify right side
    214,226.84x = 66,549,502,803
  5. Step 5: Solve for x
    x = 66,549,502,803/214,226.84
  6. Step 6: Final answer
    x = 310,649.70

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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.