Finding the Fourth Proportional to 228,294.70, 342,442.05 and 103,635.70
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Solution
The fourth proportional to 228,294.70, 342,442.05 and 103,635.70 is: 155,453.55
Step by Step Solution
- Step 1: Write the proportion equation
228,294.70 : 342,442.05 = 103,635.70 : x - Step 2: Convert to fraction form
228,294.70/342,442.05 = 103,635.70/x - Step 3: Cross multiply
228,294.70x = 342,442.05 × 103,635.70 - Step 4: Simplify right side
228,294.70x = 35,489,221,561.19 - Step 5: Solve for x
x = 35,489,221,561.19/228,294.70 - Step 6: Final answer
x = 155,453.55
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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.