Home / 260,619.71-359,652.45-145,899.30

Finding the Fourth Proportional to 260,619.71, 359,652.45 and 145,899.30

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Solution

The fourth proportional to 260,619.71, 359,652.45 and 145,899.30 is: 201,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,619.71 : 359,652.45 = 145,899.30 : x
  2. Step 2: Convert to fraction form
    260,619.71/359,652.45 = 145,899.30/x
  3. Step 3: Cross multiply
    260,619.71x = 359,652.45 × 145,899.30
  4. Step 4: Simplify right side
    260,619.71x = 52,473,040,698.29
  5. Step 5: Solve for x
    x = 52,473,040,698.29/260,619.71
  6. Step 6: Final answer
    x = 201,339.50

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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.