Home / 355,079.80-532,922.10-144,868.60

Finding the Fourth Proportional to 355,079.80, 532,922.10 and 144,868.60

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Solution

The fourth proportional to 355,079.80, 532,922.10 and 144,868.60 is: 217,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,079.80 : 532,922.10 = 144,868.60 : x
  2. Step 2: Convert to fraction form
    355,079.80/532,922.10 = 144,868.60/x
  3. Step 3: Cross multiply
    355,079.80x = 532,922.10 × 144,868.60
  4. Step 4: Simplify right side
    355,079.80x = 77,203,678,536.06
  5. Step 5: Solve for x
    x = 77,203,678,536.06/355,079.80
  6. Step 6: Final answer
    x = 217,426.28

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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.