Home / 402,658.02-603,983.39-122,175.27

Finding the Fourth Proportional to 402,658.02, 603,983.39 and 122,175.27

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Solution

The fourth proportional to 402,658.02, 603,983.39 and 122,175.27 is: 183,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,658.02 : 603,983.39 = 122,175.27 : x
  2. Step 2: Convert to fraction form
    402,658.02/603,983.39 = 122,175.27/x
  3. Step 3: Cross multiply
    402,658.02x = 603,983.39 × 122,175.27
  4. Step 4: Simplify right side
    402,658.02x = 73,791,833,137.89
  5. Step 5: Solve for x
    x = 73,791,833,137.89/402,658.02
  6. Step 6: Final answer
    x = 183,261.80

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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.