Finding the Fourth Proportional to 696,345.80, 1,044,518.70 and 197,709.80
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Solution
The fourth proportional to 696,345.80, 1,044,518.70 and 197,709.80 is: 296,564.70
Step by Step Solution
- Step 1: Write the proportion equation
696,345.80 : 1,044,518.70 = 197,709.80 : x - Step 2: Convert to fraction form
696,345.80/1,044,518.70 = 197,709.80/x - Step 3: Cross multiply
696,345.80x = 1,044,518.70 × 197,709.80 - Step 4: Simplify right side
696,345.80x = 206,511,583,273.26 - Step 5: Solve for x
x = 206,511,583,273.26/696,345.80 - Step 6: Final answer
x = 296,564.70
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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.