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Finding the Fourth Proportional to 170,651.47, 255,975.15 and 44,280.47

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Solution

The fourth proportional to 170,651.47, 255,975.15 and 44,280.47 is: 66,420.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,651.47 : 255,975.15 = 44,280.47 : x
  2. Step 2: Convert to fraction form
    170,651.47/255,975.15 = 44,280.47/x
  3. Step 3: Cross multiply
    170,651.47x = 255,975.15 × 44,280.47
  4. Step 4: Simplify right side
    170,651.47x = 11,334,699,950.32
  5. Step 5: Solve for x
    x = 11,334,699,950.32/170,651.47
  6. Step 6: Final answer
    x = 66,420.17

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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.