Home / 214,528.07-321,839.94-70,440.30

Finding the Fourth Proportional to 214,528.07, 321,839.94 and 70,440.30

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Solution

The fourth proportional to 214,528.07, 321,839.94 and 70,440.30 is: 105,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,528.07 : 321,839.94 = 70,440.30 : x
  2. Step 2: Convert to fraction form
    214,528.07/321,839.94 = 70,440.30/x
  3. Step 3: Cross multiply
    214,528.07x = 321,839.94 × 70,440.30
  4. Step 4: Simplify right side
    214,528.07x = 22,670,501,925.58
  5. Step 5: Solve for x
    x = 22,670,501,925.58/214,528.07
  6. Step 6: Final answer
    x = 105,676.16

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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.