Home / 212,627.07-319,051.80-200,374.43

Finding the Fourth Proportional to 212,627.07, 319,051.80 and 200,374.43

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Solution

The fourth proportional to 212,627.07, 319,051.80 and 200,374.43 is: 300,666.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,627.07 : 319,051.80 = 200,374.43 : x
  2. Step 2: Convert to fraction form
    212,627.07/319,051.80 = 200,374.43/x
  3. Step 3: Cross multiply
    212,627.07x = 319,051.80 × 200,374.43
  4. Step 4: Simplify right side
    212,627.07x = 63,929,820,970.22
  5. Step 5: Solve for x
    x = 63,929,820,970.22/212,627.07
  6. Step 6: Final answer
    x = 300,666.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.