Finding the Fourth Proportional to 166,377.17, 249,465.99 and 76,307.08
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Solution
The fourth proportional to 166,377.17, 249,465.99 and 76,307.08 is: 114,414.86
Step by Step Solution
- Step 1: Write the proportion equation
166,377.17 : 249,465.99 = 76,307.08 : x - Step 2: Convert to fraction form
166,377.17/249,465.99 = 76,307.08/x - Step 3: Cross multiply
166,377.17x = 249,465.99 × 76,307.08 - Step 4: Simplify right side
166,377.17x = 19,036,020,008.88 - Step 5: Solve for x
x = 19,036,020,008.88/166,377.17 - Step 6: Final answer
x = 114,414.86
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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.