Finding the Fourth Proportional to 464,105.18, 640,471.71 and 282,824.75
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Solution
The fourth proportional to 464,105.18, 640,471.71 and 282,824.75 is: 390,302.15
Step by Step Solution
- Step 1: Write the proportion equation
464,105.18 : 640,471.71 = 282,824.75 : x - Step 2: Convert to fraction form
464,105.18/640,471.71 = 282,824.75/x - Step 3: Cross multiply
464,105.18x = 640,471.71 × 282,824.75 - Step 4: Simplify right side
464,105.18x = 181,141,251,262.82 - Step 5: Solve for x
x = 181,141,251,262.82/464,105.18 - Step 6: Final answer
x = 390,302.15
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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.