Home / 368,205.24-551,742.12-218,146.98

Finding the Fourth Proportional to 368,205.24, 551,742.12 and 218,146.98

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Solution

The fourth proportional to 368,205.24, 551,742.12 and 218,146.98 is: 326,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,205.24 : 551,742.12 = 218,146.98 : x
  2. Step 2: Convert to fraction form
    368,205.24/551,742.12 = 218,146.98/x
  3. Step 3: Cross multiply
    368,205.24x = 551,742.12 × 218,146.98
  4. Step 4: Simplify right side
    368,205.24x = 120,360,877,216.80
  5. Step 5: Solve for x
    x = 120,360,877,216.80/368,205.24
  6. Step 6: Final answer
    x = 326,885.29

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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.