Finding the Fourth Proportional to 192,618.15, 265,798.61 and 107,718.81
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Solution
The fourth proportional to 192,618.15, 265,798.61 and 107,718.81 is: 148,643.88
Step by Step Solution
- Step 1: Write the proportion equation
192,618.15 : 265,798.61 = 107,718.81 : x - Step 2: Convert to fraction form
192,618.15/265,798.61 = 107,718.81/x - Step 3: Cross multiply
192,618.15x = 265,798.61 × 107,718.81 - Step 4: Simplify right side
192,618.15x = 28,631,509,968.85 - Step 5: Solve for x
x = 28,631,509,968.85/192,618.15 - Step 6: Final answer
x = 148,643.88
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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.