Home / 369,204.33-509,502.43-199,438.45

Finding the Fourth Proportional to 369,204.33, 509,502.43 and 199,438.45

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Solution

The fourth proportional to 369,204.33, 509,502.43 and 199,438.45 is: 275,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,204.33 : 509,502.43 = 199,438.45 : x
  2. Step 2: Convert to fraction form
    369,204.33/509,502.43 = 199,438.45/x
  3. Step 3: Cross multiply
    369,204.33x = 509,502.43 × 199,438.45
  4. Step 4: Simplify right side
    369,204.33x = 101,614,376,191.01
  5. Step 5: Solve for x
    x = 101,614,376,191.01/369,204.33
  6. Step 6: Final answer
    x = 275,225.31

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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.