Home / 370,255.30-510,252.12-268,107.82

Finding the Fourth Proportional to 370,255.30, 510,252.12 and 268,107.82

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Solution

The fourth proportional to 370,255.30, 510,252.12 and 268,107.82 is: 369,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,255.30 : 510,252.12 = 268,107.82 : x
  2. Step 2: Convert to fraction form
    370,255.30/510,252.12 = 268,107.82/x
  3. Step 3: Cross multiply
    370,255.30x = 510,252.12 × 268,107.82
  4. Step 4: Simplify right side
    370,255.30x = 136,802,583,543.58
  5. Step 5: Solve for x
    x = 136,802,583,543.58/370,255.30
  6. Step 6: Final answer
    x = 369,481.77

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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.