Home / 369,218.31-509,519.36-214,200.96

Finding the Fourth Proportional to 369,218.31, 509,519.36 and 214,200.96

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Solution

The fourth proportional to 369,218.31, 509,519.36 and 214,200.96 is: 295,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,218.31 : 509,519.36 = 214,200.96 : x
  2. Step 2: Convert to fraction form
    369,218.31/509,519.36 = 214,200.96/x
  3. Step 3: Cross multiply
    369,218.31x = 509,519.36 × 214,200.96
  4. Step 4: Simplify right side
    369,218.31x = 109,139,534,675.39
  5. Step 5: Solve for x
    x = 109,139,534,675.39/369,218.31
  6. Step 6: Final answer
    x = 295,596.21

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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.