Finding the Fourth Proportional to 579,742.05, 869,656.28 and 205,716.45
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Solution
The fourth proportional to 579,742.05, 869,656.28 and 205,716.45 is: 308,590.00
Step by Step Solution
- Step 1: Write the proportion equation
579,742.05 : 869,656.28 = 205,716.45 : x - Step 2: Convert to fraction form
579,742.05/869,656.28 = 205,716.45/x - Step 3: Cross multiply
579,742.05x = 869,656.28 × 205,716.45 - Step 4: Simplify right side
579,742.05x = 178,902,601,613.22 - Step 5: Solve for x
x = 178,902,601,613.22/579,742.05 - Step 6: Final answer
x = 308,590.00
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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.