Finding the Fourth Proportional to 159,318.97, 219,860.80 and 91,337.42
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Solution
The fourth proportional to 159,318.97, 219,860.80 and 91,337.42 is: 126,046.00
Step by Step Solution
- Step 1: Write the proportion equation
159,318.97 : 219,860.80 = 91,337.42 : x - Step 2: Convert to fraction form
159,318.97/219,860.80 = 91,337.42/x - Step 3: Cross multiply
159,318.97x = 219,860.80 × 91,337.42 - Step 4: Simplify right side
159,318.97x = 20,081,518,552.44 - Step 5: Solve for x
x = 20,081,518,552.44/159,318.97 - Step 6: Final answer
x = 126,046.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.