Finding the Fourth Proportional to 314,330.49, 433,775.66 and 171,090.09
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Solution
The fourth proportional to 314,330.49, 433,775.66 and 171,090.09 is: 236,104.09
Step by Step Solution
- Step 1: Write the proportion equation
314,330.49 : 433,775.66 = 171,090.09 : x - Step 2: Convert to fraction form
314,330.49/433,775.66 = 171,090.09/x - Step 3: Cross multiply
314,330.49x = 433,775.66 × 171,090.09 - Step 4: Simplify right side
314,330.49x = 74,214,715,853.76 - Step 5: Solve for x
x = 74,214,715,853.76/314,330.49 - Step 6: Final answer
x = 236,104.09
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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.