Home / 214,300.42-321,419.04-56,539.96

Finding the Fourth Proportional to 214,300.42, 321,419.04 and 56,539.96

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Solution

The fourth proportional to 214,300.42, 321,419.04 and 56,539.96 is: 84,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,300.42 : 321,419.04 = 56,539.96 : x
  2. Step 2: Convert to fraction form
    214,300.42/321,419.04 = 56,539.96/x
  3. Step 3: Cross multiply
    214,300.42x = 321,419.04 × 56,539.96
  4. Step 4: Simplify right side
    214,300.42x = 18,173,018,649.27
  5. Step 5: Solve for x
    x = 18,173,018,649.27/214,300.42
  6. Step 6: Final answer
    x = 84,801.60

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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.