Finding the Fourth Proportional to 251,969.40, 377,516.70 and 163,177.20
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Solution
The fourth proportional to 251,969.40, 377,516.70 and 163,177.20 is: 244,482.54
Step by Step Solution
- Step 1: Write the proportion equation
251,969.40 : 377,516.70 = 163,177.20 : x - Step 2: Convert to fraction form
251,969.40/377,516.70 = 163,177.20/x - Step 3: Cross multiply
251,969.40x = 377,516.70 × 163,177.20 - Step 4: Simplify right side
251,969.40x = 61,602,118,059.24 - Step 5: Solve for x
x = 61,602,118,059.24/251,969.40 - Step 6: Final answer
x = 244,482.54
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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.