Home / 330,624.06-455,838.82-214,131.72

Finding the Fourth Proportional to 330,624.06, 455,838.82 and 214,131.72

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Solution

The fourth proportional to 330,624.06, 455,838.82 and 214,131.72 is: 295,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,624.06 : 455,838.82 = 214,131.72 : x
  2. Step 2: Convert to fraction form
    330,624.06/455,838.82 = 214,131.72/x
  3. Step 3: Cross multiply
    330,624.06x = 455,838.82 × 214,131.72
  4. Step 4: Simplify right side
    330,624.06x = 97,609,550,569.37
  5. Step 5: Solve for x
    x = 97,609,550,569.37/330,624.06
  6. Step 6: Final answer
    x = 295,228.21

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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.