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Finding the Fourth Proportional to 255,010.56, 382,562.01 and 105,167.45

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Solution

The fourth proportional to 255,010.56, 382,562.01 and 105,167.45 is: 157,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,010.56 : 382,562.01 = 105,167.45 : x
  2. Step 2: Convert to fraction form
    255,010.56/382,562.01 = 105,167.45/x
  3. Step 3: Cross multiply
    255,010.56x = 382,562.01 × 105,167.45
  4. Step 4: Simplify right side
    255,010.56x = 40,233,069,145.76
  5. Step 5: Solve for x
    x = 40,233,069,145.76/255,010.56
  6. Step 6: Final answer
    x = 157,770.21

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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.