Finding the Fourth Proportional to 353,160.14, 487,358.51 and 192,015.23
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Solution
The fourth proportional to 353,160.14, 487,358.51 and 192,015.23 is: 264,979.66
Step by Step Solution
- Step 1: Write the proportion equation
353,160.14 : 487,358.51 = 192,015.23 : x - Step 2: Convert to fraction form
353,160.14/487,358.51 = 192,015.23/x - Step 3: Cross multiply
353,160.14x = 487,358.51 × 192,015.23 - Step 4: Simplify right side
353,160.14x = 93,580,252,993.24 - Step 5: Solve for x
x = 93,580,252,993.24/353,160.14 - Step 6: Final answer
x = 264,979.66
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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.