Home / 452,014.32-623,738.51-268,221.21

Finding the Fourth Proportional to 452,014.32, 623,738.51 and 268,221.21

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Solution

The fourth proportional to 452,014.32, 623,738.51 and 268,221.21 is: 370,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,014.32 : 623,738.51 = 268,221.21 : x
  2. Step 2: Convert to fraction form
    452,014.32/623,738.51 = 268,221.21/x
  3. Step 3: Cross multiply
    452,014.32x = 623,738.51 × 268,221.21
  4. Step 4: Simplify right side
    452,014.32x = 167,299,896,534.69
  5. Step 5: Solve for x
    x = 167,299,896,534.69/452,014.32
  6. Step 6: Final answer
    x = 370,120.79

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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.