Home / 376,736.32-519,925.26-215,641.90

Finding the Fourth Proportional to 376,736.32, 519,925.26 and 215,641.90

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Solution

The fourth proportional to 376,736.32, 519,925.26 and 215,641.90 is: 297,602.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,736.32 : 519,925.26 = 215,641.90 : x
  2. Step 2: Convert to fraction form
    376,736.32/519,925.26 = 215,641.90/x
  3. Step 3: Cross multiply
    376,736.32x = 519,925.26 × 215,641.90
  4. Step 4: Simplify right side
    376,736.32x = 112,117,670,924.39
  5. Step 5: Solve for x
    x = 112,117,670,924.39/376,736.32
  6. Step 6: Final answer
    x = 297,602.50

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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.