Home / 328,445.42-492,449.36-118,056.02

Finding the Fourth Proportional to 328,445.42, 492,449.36 and 118,056.02

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Solution

The fourth proportional to 328,445.42, 492,449.36 and 118,056.02 is: 177,005.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,445.42 : 492,449.36 = 118,056.02 : x
  2. Step 2: Convert to fraction form
    328,445.42/492,449.36 = 118,056.02/x
  3. Step 3: Cross multiply
    328,445.42x = 492,449.36 × 118,056.02
  4. Step 4: Simplify right side
    328,445.42x = 58,136,608,440.62
  5. Step 5: Solve for x
    x = 58,136,608,440.62/328,445.42
  6. Step 6: Final answer
    x = 177,005.39

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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.