Finding the Fourth Proportional to 166,406.10, 249,706.35 and 61,235.70
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Solution
The fourth proportional to 166,406.10, 249,706.35 and 61,235.70 is: 91,889.32
Step by Step Solution
- Step 1: Write the proportion equation
166,406.10 : 249,706.35 = 61,235.70 : x - Step 2: Convert to fraction form
166,406.10/249,706.35 = 61,235.70/x - Step 3: Cross multiply
166,406.10x = 249,706.35 × 61,235.70 - Step 4: Simplify right side
166,406.10x = 15,290,943,136.70 - Step 5: Solve for x
x = 15,290,943,136.70/166,406.10 - Step 6: Final answer
x = 91,889.32
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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.