Home / 260,429.70-359,406.96-145,701.51

Finding the Fourth Proportional to 260,429.70, 359,406.96 and 145,701.51

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Solution

The fourth proportional to 260,429.70, 359,406.96 and 145,701.51 is: 201,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,429.70 : 359,406.96 = 145,701.51 : x
  2. Step 2: Convert to fraction form
    260,429.70/359,406.96 = 145,701.51/x
  3. Step 3: Cross multiply
    260,429.70x = 359,406.96 × 145,701.51
  4. Step 4: Simplify right side
    260,429.70x = 52,366,136,046.85
  5. Step 5: Solve for x
    x = 52,366,136,046.85/260,429.70
  6. Step 6: Final answer
    x = 201,075.90

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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.