Finding the Fourth Proportional to 228,106.67, 342,137.99 and 70,292.75
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Solution
The fourth proportional to 228,106.67, 342,137.99 and 70,292.75 is: 105,432.33
Step by Step Solution
- Step 1: Write the proportion equation
228,106.67 : 342,137.99 = 70,292.75 : x - Step 2: Convert to fraction form
228,106.67/342,137.99 = 70,292.75/x - Step 3: Cross multiply
228,106.67x = 342,137.99 × 70,292.75 - Step 4: Simplify right side
228,106.67x = 24,049,818,310.15 - Step 5: Solve for x
x = 24,049,818,310.15/228,106.67 - Step 6: Final answer
x = 105,432.33
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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.