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Finding the Fourth Proportional to 259,405.56, 358,059.44 and 152,010.19

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Solution

The fourth proportional to 259,405.56, 358,059.44 and 152,010.19 is: 209,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,405.56 : 358,059.44 = 152,010.19 : x
  2. Step 2: Convert to fraction form
    259,405.56/358,059.44 = 152,010.19/x
  3. Step 3: Cross multiply
    259,405.56x = 358,059.44 × 152,010.19
  4. Step 4: Simplify right side
    259,405.56x = 54,428,683,505.69
  5. Step 5: Solve for x
    x = 54,428,683,505.69/259,405.56
  6. Step 6: Final answer
    x = 209,820.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.