Finding the Fourth Proportional to 242,412.20, 363,449.66 and 107,403.02
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Solution
The fourth proportional to 242,412.20, 363,449.66 and 107,403.02 is: 161,029.81
Step by Step Solution
- Step 1: Write the proportion equation
242,412.20 : 363,449.66 = 107,403.02 : x - Step 2: Convert to fraction form
242,412.20/363,449.66 = 107,403.02/x - Step 3: Cross multiply
242,412.20x = 363,449.66 × 107,403.02 - Step 4: Simplify right side
242,412.20x = 39,035,588,747.71 - Step 5: Solve for x
x = 39,035,588,747.71/242,412.20 - Step 6: Final answer
x = 161,029.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.