Finding the Fourth Proportional to 421,981.62, 582,297.73 and 249,868.70
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Solution
The fourth proportional to 421,981.62, 582,297.73 and 249,868.70 is: 344,796.95
Step by Step Solution
- Step 1: Write the proportion equation
421,981.62 : 582,297.73 = 249,868.70 : x - Step 2: Convert to fraction form
421,981.62/582,297.73 = 249,868.70/x - Step 3: Cross multiply
421,981.62x = 582,297.73 × 249,868.70 - Step 4: Simplify right side
421,981.62x = 145,497,975,455.51 - Step 5: Solve for x
x = 145,497,975,455.51/421,981.62 - Step 6: Final answer
x = 344,796.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.