Finding the Fourth Proportional to 427,806.18, 589,944.33 and 284,572.26
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Solution
The fourth proportional to 427,806.18, 589,944.33 and 284,572.26 is: 392,424.89
Step by Step Solution
- Step 1: Write the proportion equation
427,806.18 : 589,944.33 = 284,572.26 : x - Step 2: Convert to fraction form
427,806.18/589,944.33 = 284,572.26/x - Step 3: Cross multiply
427,806.18x = 589,944.33 × 284,572.26 - Step 4: Simplify right side
427,806.18x = 167,881,791,262.29 - Step 5: Solve for x
x = 167,881,791,262.29/427,806.18 - Step 6: Final answer
x = 392,424.89
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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.