Finding the Fourth Proportional to 217,230.55, 299,777.68 and 132,347.68
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Solution
The fourth proportional to 217,230.55, 299,777.68 and 132,347.68 is: 182,639.51
Step by Step Solution
- Step 1: Write the proportion equation
217,230.55 : 299,777.68 = 132,347.68 : x - Step 2: Convert to fraction form
217,230.55/299,777.68 = 132,347.68/x - Step 3: Cross multiply
217,230.55x = 299,777.68 × 132,347.68 - Step 4: Simplify right side
217,230.55x = 39,674,880,463.78 - Step 5: Solve for x
x = 39,674,880,463.78/217,230.55 - Step 6: Final answer
x = 182,639.51
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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.