Home / 202,848.40-302,949.14-172,539.61

Finding the Fourth Proportional to 202,848.40, 302,949.14 and 172,539.61

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Solution

The fourth proportional to 202,848.40, 302,949.14 and 172,539.61 is: 257,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,848.40 : 302,949.14 = 172,539.61 : x
  2. Step 2: Convert to fraction form
    202,848.40/302,949.14 = 172,539.61/x
  3. Step 3: Cross multiply
    202,848.40x = 302,949.14 × 172,539.61
  4. Step 4: Simplify right side
    202,848.40x = 52,270,726,465.44
  5. Step 5: Solve for x
    x = 52,270,726,465.44/202,848.40
  6. Step 6: Final answer
    x = 257,683.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.