Finding the Fourth Proportional to 212,194.68, 318,295.98 and 169,878.21
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Solution
The fourth proportional to 212,194.68, 318,295.98 and 169,878.21 is: 254,820.49
Step by Step Solution
- Step 1: Write the proportion equation
212,194.68 : 318,295.98 = 169,878.21 : x - Step 2: Convert to fraction form
212,194.68/318,295.98 = 169,878.21/x - Step 3: Cross multiply
212,194.68x = 318,295.98 × 169,878.21 - Step 4: Simplify right side
212,194.68x = 54,071,551,332.60 - Step 5: Solve for x
x = 54,071,551,332.60/212,194.68 - Step 6: Final answer
x = 254,820.49
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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.