Home / 214,284.30-321,400.53-56,525.46

Finding the Fourth Proportional to 214,284.30, 321,400.53 and 56,525.46

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Solution

The fourth proportional to 214,284.30, 321,400.53 and 56,525.46 is: 84,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,284.30 : 321,400.53 = 56,525.46 : x
  2. Step 2: Convert to fraction form
    214,284.30/321,400.53 = 56,525.46/x
  3. Step 3: Cross multiply
    214,284.30x = 321,400.53 × 56,525.46
  4. Step 4: Simplify right side
    214,284.30x = 18,167,312,802.49
  5. Step 5: Solve for x
    x = 18,167,312,802.49/214,284.30
  6. Step 6: Final answer
    x = 84,781.35

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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.