Finding the Fourth Proportional to 406,035.36, 560,199.96 and 236,236.68
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Solution
The fourth proportional to 406,035.36, 560,199.96 and 236,236.68 is: 325,931.66
Step by Step Solution
- Step 1: Write the proportion equation
406,035.36 : 560,199.96 = 236,236.68 : x - Step 2: Convert to fraction form
406,035.36/560,199.96 = 236,236.68/x - Step 3: Cross multiply
406,035.36x = 560,199.96 × 236,236.68 - Step 4: Simplify right side
406,035.36x = 132,339,778,686.53 - Step 5: Solve for x
x = 132,339,778,686.53/406,035.36 - Step 6: Final answer
x = 325,931.66
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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.