Finding the Fourth Proportional to 171,530.21, 236,827.22 and 107,097.55
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Solution
The fourth proportional to 171,530.21, 236,827.22 and 107,097.55 is: 147,866.75
Step by Step Solution
- Step 1: Write the proportion equation
171,530.21 : 236,827.22 = 107,097.55 : x - Step 2: Convert to fraction form
171,530.21/236,827.22 = 107,097.55/x - Step 3: Cross multiply
171,530.21x = 236,827.22 × 107,097.55 - Step 4: Simplify right side
171,530.21x = 25,363,615,035.31 - Step 5: Solve for x
x = 25,363,615,035.31/171,530.21 - Step 6: Final answer
x = 147,866.75
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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.