Finding the Fourth Proportional to 166,316.20, 249,474.30 and 163,691.80
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Solution
The fourth proportional to 166,316.20, 249,474.30 and 163,691.80 is: 245,537.70
Step by Step Solution
- Step 1: Write the proportion equation
166,316.20 : 249,474.30 = 163,691.80 : x - Step 2: Convert to fraction form
166,316.20/249,474.30 = 163,691.80/x - Step 3: Cross multiply
166,316.20x = 249,474.30 × 163,691.80 - Step 4: Simplify right side
166,316.20x = 40,836,897,220.74 - Step 5: Solve for x
x = 40,836,897,220.74/166,316.20 - Step 6: Final answer
x = 245,537.70
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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.