Home / 285,180.65-427,617.53-114,316.62

Finding the Fourth Proportional to 285,180.65, 427,617.53 and 114,316.62

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Solution

The fourth proportional to 285,180.65, 427,617.53 and 114,316.62 is: 171,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,180.65 : 427,617.53 = 114,316.62 : x
  2. Step 2: Convert to fraction form
    285,180.65/427,617.53 = 114,316.62/x
  3. Step 3: Cross multiply
    285,180.65x = 427,617.53 × 114,316.62
  4. Step 4: Simplify right side
    285,180.65x = 48,883,788,935.89
  5. Step 5: Solve for x
    x = 48,883,788,935.89/285,180.65
  6. Step 6: Final answer
    x = 171,413.42

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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.