Home / 214,445.21-321,159.33-169,928.82

Finding the Fourth Proportional to 214,445.21, 321,159.33 and 169,928.82

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Solution

The fourth proportional to 214,445.21, 321,159.33 and 169,928.82 is: 254,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,445.21 : 321,159.33 = 169,928.82 : x
  2. Step 2: Convert to fraction form
    214,445.21/321,159.33 = 169,928.82/x
  3. Step 3: Cross multiply
    214,445.21x = 321,159.33 × 169,928.82
  4. Step 4: Simplify right side
    214,445.21x = 54,574,225,978.89
  5. Step 5: Solve for x
    x = 54,574,225,978.89/214,445.21
  6. Step 6: Final answer
    x = 254,490.31

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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.