Home / 268,485.32-370,479.06-214,750.76

Finding the Fourth Proportional to 268,485.32, 370,479.06 and 214,750.76

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Solution

The fourth proportional to 268,485.32, 370,479.06 and 214,750.76 is: 296,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,485.32 : 370,479.06 = 214,750.76 : x
  2. Step 2: Convert to fraction form
    268,485.32/370,479.06 = 214,750.76/x
  3. Step 3: Cross multiply
    268,485.32x = 370,479.06 × 214,750.76
  4. Step 4: Simplify right side
    268,485.32x = 79,560,659,699.09
  5. Step 5: Solve for x
    x = 79,560,659,699.09/268,485.32
  6. Step 6: Final answer
    x = 296,331.51

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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.