Home / 238,739.19-358,131.26-70,259.59

Finding the Fourth Proportional to 238,739.19, 358,131.26 and 70,259.59

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Solution

The fourth proportional to 238,739.19, 358,131.26 and 70,259.59 is: 105,396.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,739.19 : 358,131.26 = 70,259.59 : x
  2. Step 2: Convert to fraction form
    238,739.19/358,131.26 = 70,259.59/x
  3. Step 3: Cross multiply
    238,739.19x = 358,131.26 × 70,259.59
  4. Step 4: Simplify right side
    238,739.19x = 25,162,155,493.78
  5. Step 5: Solve for x
    x = 25,162,155,493.78/238,739.19
  6. Step 6: Final answer
    x = 105,396.00

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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.