Finding the Fourth Proportional to 217,228.55, 299,774.93 and 132,345.68
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Solution
The fourth proportional to 217,228.55, 299,774.93 and 132,345.68 is: 182,636.75
Step by Step Solution
- Step 1: Write the proportion equation
217,228.55 : 299,774.93 = 132,345.68 : x - Step 2: Convert to fraction form
217,228.55/299,774.93 = 132,345.68/x - Step 3: Cross multiply
217,228.55x = 299,774.93 × 132,345.68 - Step 4: Simplify right side
217,228.55x = 39,673,914,797.20 - Step 5: Solve for x
x = 39,673,914,797.20/217,228.55 - Step 6: Final answer
x = 182,636.75
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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.