Finding the Fourth Proportional to 216,864.18, 325,374.06 and 96,911.08
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Solution
The fourth proportional to 216,864.18, 325,374.06 and 96,911.08 is: 145,401.38
Step by Step Solution
- Step 1: Write the proportion equation
216,864.18 : 325,374.06 = 96,911.08 : x - Step 2: Convert to fraction form
216,864.18/325,374.06 = 96,911.08/x - Step 3: Cross multiply
216,864.18x = 325,374.06 × 96,911.08 - Step 4: Simplify right side
216,864.18x = 31,532,351,558.58 - Step 5: Solve for x
x = 31,532,351,558.58/216,864.18 - Step 6: Final answer
x = 145,401.38
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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.