Finding the Fourth Proportional to 427,328.91, 589,323.74 and 366,880.23
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Solution
The fourth proportional to 427,328.91, 589,323.74 and 366,880.23 is: 505,959.75
Step by Step Solution
- Step 1: Write the proportion equation
427,328.91 : 589,323.74 = 366,880.23 : x - Step 2: Convert to fraction form
427,328.91/589,323.74 = 366,880.23/x - Step 3: Cross multiply
427,328.91x = 589,323.74 × 366,880.23 - Step 4: Simplify right side
427,328.91x = 216,211,227,441.26 - Step 5: Solve for x
x = 216,211,227,441.26/427,328.91 - Step 6: Final answer
x = 505,959.75
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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.