Finding the Fourth Proportional to 625,071.17, 862,602.36 and 338,591.26
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Solution
The fourth proportional to 625,071.17, 862,602.36 and 338,591.26 is: 467,258.17
Step by Step Solution
- Step 1: Write the proportion equation
625,071.17 : 862,602.36 = 338,591.26 : x - Step 2: Convert to fraction form
625,071.17/862,602.36 = 338,591.26/x - Step 3: Cross multiply
625,071.17x = 862,602.36 × 338,591.26 - Step 4: Simplify right side
625,071.17x = 292,069,613,945.41 - Step 5: Solve for x
x = 292,069,613,945.41/625,071.17 - Step 6: Final answer
x = 467,258.17
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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.