Home / 271,389.60-374,511.12-158,205

Finding the Fourth Proportional to 271,389.60, 374,511.12 and 158,205

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Solution

The fourth proportional to 271,389.60, 374,511.12 and 158,205 is: 218,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,389.60 : 374,511.12 = 158,205 : x
  2. Step 2: Convert to fraction form
    271,389.60/374,511.12 = 158,205/x
  3. Step 3: Cross multiply
    271,389.60x = 374,511.12 × 158,205
  4. Step 4: Simplify right side
    271,389.60x = 59,249,531,739.60
  5. Step 5: Solve for x
    x = 59,249,531,739.60/271,389.60
  6. Step 6: Final answer
    x = 218,319.09

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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.