Finding the Fourth Proportional to 166,217.20, 249,325.80 and 163,592.80
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Solution
The fourth proportional to 166,217.20, 249,325.80 and 163,592.80 is: 245,389.20
Step by Step Solution
- Step 1: Write the proportion equation
166,217.20 : 249,325.80 = 163,592.80 : x - Step 2: Convert to fraction form
166,217.20/249,325.80 = 163,592.80/x - Step 3: Cross multiply
166,217.20x = 249,325.80 × 163,592.80 - Step 4: Simplify right side
166,217.20x = 40,787,905,734.24 - Step 5: Solve for x
x = 40,787,905,734.24/166,217.20 - Step 6: Final answer
x = 245,389.20
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1.5x scale
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.