Finding the Fourth Proportional to 192,403.11, 265,589.16 and 144,794.55
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Solution
The fourth proportional to 192,403.11, 265,589.16 and 144,794.55 is: 199,871.32
Step by Step Solution
- Step 1: Write the proportion equation
192,403.11 : 265,589.16 = 144,794.55 : x - Step 2: Convert to fraction form
192,403.11/265,589.16 = 144,794.55/x - Step 3: Cross multiply
192,403.11x = 265,589.16 × 144,794.55 - Step 4: Simplify right side
192,403.11x = 38,455,862,907.08 - Step 5: Solve for x
x = 38,455,862,907.08/192,403.11 - Step 6: Final answer
x = 199,871.32
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1.5x scale
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.