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Finding the Fourth Proportional to 373,560.42, 515,366.64 and 230,071.44

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Solution

The fourth proportional to 373,560.42, 515,366.64 and 230,071.44 is: 317,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,560.42 : 515,366.64 = 230,071.44 : x
  2. Step 2: Convert to fraction form
    373,560.42/515,366.64 = 230,071.44/x
  3. Step 3: Cross multiply
    373,560.42x = 515,366.64 × 230,071.44
  4. Step 4: Simplify right side
    373,560.42x = 118,571,144,992.76
  5. Step 5: Solve for x
    x = 118,571,144,992.76/373,560.42
  6. Step 6: Final answer
    x = 317,408.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.