Finding the Fourth Proportional to 228,860.78, 343,206.90 and 79,062.62
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Solution
The fourth proportional to 228,860.78, 343,206.90 and 79,062.62 is: 118,564.82
Step by Step Solution
- Step 1: Write the proportion equation
228,860.78 : 343,206.90 = 79,062.62 : x - Step 2: Convert to fraction form
228,860.78/343,206.90 = 79,062.62/x - Step 3: Cross multiply
228,860.78x = 343,206.90 × 79,062.62 - Step 4: Simplify right side
228,860.78x = 27,134,836,716.08 - Step 5: Solve for x
x = 27,134,836,716.08/228,860.78 - Step 6: Final answer
x = 118,564.82
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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.