Home / 260,437.26-359,417.40-145,709.06

Finding the Fourth Proportional to 260,437.26, 359,417.40 and 145,709.06

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Solution

The fourth proportional to 260,437.26, 359,417.40 and 145,709.06 is: 201,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,437.26 : 359,417.40 = 145,709.06 : x
  2. Step 2: Convert to fraction form
    260,437.26/359,417.40 = 145,709.06/x
  3. Step 3: Cross multiply
    260,437.26x = 359,417.40 × 145,709.06
  4. Step 4: Simplify right side
    260,437.26x = 52,370,369,704.56
  5. Step 5: Solve for x
    x = 52,370,369,704.56/260,437.26
  6. Step 6: Final answer
    x = 201,086.32

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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.