Finding the Fourth Proportional to 354,437.73, 529,397.01 and 320,652.09
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Solution
The fourth proportional to 354,437.73, 529,397.01 and 320,652.09 is: 478,933.94
Step by Step Solution
- Step 1: Write the proportion equation
354,437.73 : 529,397.01 = 320,652.09 : x - Step 2: Convert to fraction form
354,437.73/529,397.01 = 320,652.09/x - Step 3: Cross multiply
354,437.73x = 529,397.01 × 320,652.09 - Step 4: Simplify right side
354,437.73x = 169,752,257,696.25 - Step 5: Solve for x
x = 169,752,257,696.25/354,437.73 - Step 6: Final answer
x = 478,933.94
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.