Finding the Fourth Proportional to 216,790.15, 299,162.76 and 119,994.19
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Solution
The fourth proportional to 216,790.15, 299,162.76 and 119,994.19 is: 165,587.75
Step by Step Solution
- Step 1: Write the proportion equation
216,790.15 : 299,162.76 = 119,994.19 : x - Step 2: Convert to fraction form
216,790.15/299,162.76 = 119,994.19/x - Step 3: Cross multiply
216,790.15x = 299,162.76 × 119,994.19 - Step 4: Simplify right side
216,790.15x = 35,897,792,752.08 - Step 5: Solve for x
x = 35,897,792,752.08/216,790.15 - Step 6: Final answer
x = 165,587.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.