Finding the Fourth Proportional to 353,259.24, 487,499.62 and 192,115.56
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Solution
The fourth proportional to 353,259.24, 487,499.62 and 192,115.56 is: 265,120.49
Step by Step Solution
- Step 1: Write the proportion equation
353,259.24 : 487,499.62 = 192,115.56 : x - Step 2: Convert to fraction form
353,259.24/487,499.62 = 192,115.56/x - Step 3: Cross multiply
353,259.24x = 487,499.62 × 192,115.56 - Step 4: Simplify right side
353,259.24x = 93,656,262,496.09 - Step 5: Solve for x
x = 93,656,262,496.09/353,259.24 - Step 6: Final answer
x = 265,120.49
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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.