Finding the Fourth Proportional to 312,424.06, 468,539.16 and 112,718.48
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Solution
The fourth proportional to 312,424.06, 468,539.16 and 112,718.48 is: 169,042.75
Step by Step Solution
- Step 1: Write the proportion equation
312,424.06 : 468,539.16 = 112,718.48 : x - Step 2: Convert to fraction form
312,424.06/468,539.16 = 112,718.48/x - Step 3: Cross multiply
312,424.06x = 468,539.16 × 112,718.48 - Step 4: Simplify right side
312,424.06x = 52,813,021,935.68 - Step 5: Solve for x
x = 52,813,021,935.68/312,424.06 - Step 6: Final answer
x = 169,042.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.