Finding the Fourth Proportional to 212,415.01, 318,529.04 and 112,552.19
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Solution
The fourth proportional to 212,415.01, 318,529.04 and 112,552.19 is: 168,778.75
Step by Step Solution
- Step 1: Write the proportion equation
212,415.01 : 318,529.04 = 112,552.19 : x - Step 2: Convert to fraction form
212,415.01/318,529.04 = 112,552.19/x - Step 3: Cross multiply
212,415.01x = 318,529.04 × 112,552.19 - Step 4: Simplify right side
212,415.01x = 35,851,140,280.71 - Step 5: Solve for x
x = 35,851,140,280.71/212,415.01 - Step 6: Final answer
x = 168,778.75
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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.