Finding the Fourth Proportional to 192,403.76, 265,522.84 and 107,521.02
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Solution
The fourth proportional to 192,403.76, 265,522.84 and 107,521.02 is: 148,382.17
Step by Step Solution
- Step 1: Write the proportion equation
192,403.76 : 265,522.84 = 107,521.02 : x - Step 2: Convert to fraction form
192,403.76/265,522.84 = 107,521.02/x - Step 3: Cross multiply
192,403.76x = 265,522.84 × 107,521.02 - Step 4: Simplify right side
192,403.76x = 28,549,286,590.10 - Step 5: Solve for x
x = 28,549,286,590.10/192,403.76 - Step 6: Final answer
x = 148,382.17
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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.