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Finding the Fourth Proportional to 202,018.12, 302,998 and 61,739.08

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Solution

The fourth proportional to 202,018.12, 302,998 and 61,739.08 is: 92,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,018.12 : 302,998 = 61,739.08 : x
  2. Step 2: Convert to fraction form
    202,018.12/302,998 = 61,739.08/x
  3. Step 3: Cross multiply
    202,018.12x = 302,998 × 61,739.08
  4. Step 4: Simplify right side
    202,018.12x = 18,706,817,761.84
  5. Step 5: Solve for x
    x = 18,706,817,761.84/202,018.12
  6. Step 6: Final answer
    x = 92,599.70

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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.