Finding the Fourth Proportional to 217,409.59, 326,116.90 and 65,607.99
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Solution
The fourth proportional to 217,409.59, 326,116.90 and 65,607.99 is: 98,412.74
Step by Step Solution
- Step 1: Write the proportion equation
217,409.59 : 326,116.90 = 65,607.99 : x - Step 2: Convert to fraction form
217,409.59/326,116.90 = 65,607.99/x - Step 3: Cross multiply
217,409.59x = 326,116.90 × 65,607.99 - Step 4: Simplify right side
217,409.59x = 21,395,873,173.10 - Step 5: Solve for x
x = 21,395,873,173.10/217,409.59 - Step 6: Final answer
x = 98,412.74
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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.