Home / 214,461.53-321,693.51-56,688.32

Finding the Fourth Proportional to 214,461.53, 321,693.51 and 56,688.32

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Solution

The fourth proportional to 214,461.53, 321,693.51 and 56,688.32 is: 85,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,461.53 : 321,693.51 = 56,688.32 : x
  2. Step 2: Convert to fraction form
    214,461.53/321,693.51 = 56,688.32/x
  3. Step 3: Cross multiply
    214,461.53x = 321,693.51 × 56,688.32
  4. Step 4: Simplify right side
    214,461.53x = 18,236,263,028.34
  5. Step 5: Solve for x
    x = 18,236,263,028.34/214,461.53
  6. Step 6: Final answer
    x = 85,032.79

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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.