Finding the Fourth Proportional to 213,989.19, 295,305.08 and 118,495.95
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Solution
The fourth proportional to 213,989.19, 295,305.08 and 118,495.95 is: 163,524.41
Step by Step Solution
- Step 1: Write the proportion equation
213,989.19 : 295,305.08 = 118,495.95 : x - Step 2: Convert to fraction form
213,989.19/295,305.08 = 118,495.95/x - Step 3: Cross multiply
213,989.19x = 295,305.08 × 118,495.95 - Step 4: Simplify right side
213,989.19x = 34,992,455,401.95 - Step 5: Solve for x
x = 34,992,455,401.95/213,989.19 - Step 6: Final answer
x = 163,524.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.