Home / 214,201.80-321,302.70-164,435.40

Finding the Fourth Proportional to 214,201.80, 321,302.70 and 164,435.40

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Solution

The fourth proportional to 214,201.80, 321,302.70 and 164,435.40 is: 246,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,201.80 : 321,302.70 = 164,435.40 : x
  2. Step 2: Convert to fraction form
    214,201.80/321,302.70 = 164,435.40/x
  3. Step 3: Cross multiply
    214,201.80x = 321,302.70 × 164,435.40
  4. Step 4: Simplify right side
    214,201.80x = 52,833,537,995.58
  5. Step 5: Solve for x
    x = 52,833,537,995.58/214,201.80
  6. Step 6: Final answer
    x = 246,653.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.