Home / 205,025.70-307,538.55-171,848.10

Finding the Fourth Proportional to 205,025.70, 307,538.55 and 171,848.10

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Solution

The fourth proportional to 205,025.70, 307,538.55 and 171,848.10 is: 257,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,025.70 : 307,538.55 = 171,848.10 : x
  2. Step 2: Convert to fraction form
    205,025.70/307,538.55 = 171,848.10/x
  3. Step 3: Cross multiply
    205,025.70x = 307,538.55 × 171,848.10
  4. Step 4: Simplify right side
    205,025.70x = 52,849,915,494.26
  5. Step 5: Solve for x
    x = 52,849,915,494.26/205,025.70
  6. Step 6: Final answer
    x = 257,772.15

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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.