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Finding the Fourth Proportional to 255,149.77, 382,810.70 and 112,975.64

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Solution

The fourth proportional to 255,149.77, 382,810.70 and 112,975.64 is: 169,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,149.77 : 382,810.70 = 112,975.64 : x
  2. Step 2: Convert to fraction form
    255,149.77/382,810.70 = 112,975.64/x
  3. Step 3: Cross multiply
    255,149.77x = 382,810.70 × 112,975.64
  4. Step 4: Simplify right side
    255,149.77x = 43,248,281,352.42
  5. Step 5: Solve for x
    x = 43,248,281,352.42/255,149.77
  6. Step 6: Final answer
    x = 169,501.55

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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.