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Finding the Fourth Proportional to 259,138.58, 357,489.06 and 151,642.67

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Solution

The fourth proportional to 259,138.58, 357,489.06 and 151,642.67 is: 209,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,138.58 : 357,489.06 = 151,642.67 : x
  2. Step 2: Convert to fraction form
    259,138.58/357,489.06 = 151,642.67/x
  3. Step 3: Cross multiply
    259,138.58x = 357,489.06 × 151,642.67
  4. Step 4: Simplify right side
    259,138.58x = 54,210,595,554.19
  5. Step 5: Solve for x
    x = 54,210,595,554.19/259,138.58
  6. Step 6: Final answer
    x = 209,195.39

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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.