Home / 257,706.12-355,634.10-144,527.88

Finding the Fourth Proportional to 257,706.12, 355,634.10 and 144,527.88

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Solution

The fourth proportional to 257,706.12, 355,634.10 and 144,527.88 is: 199,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,706.12 : 355,634.10 = 144,527.88 : x
  2. Step 2: Convert to fraction form
    257,706.12/355,634.10 = 144,527.88/x
  3. Step 3: Cross multiply
    257,706.12x = 355,634.10 × 144,527.88
  4. Step 4: Simplify right side
    257,706.12x = 51,399,042,528.71
  5. Step 5: Solve for x
    x = 51,399,042,528.71/257,706.12
  6. Step 6: Final answer
    x = 199,448.28

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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.