Finding the Fourth Proportional to 481,681.62, 664,712.33 and 266,817.17
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Solution
The fourth proportional to 481,681.62, 664,712.33 and 266,817.17 is: 368,203.09
Step by Step Solution
- Step 1: Write the proportion equation
481,681.62 : 664,712.33 = 266,817.17 : x - Step 2: Convert to fraction form
481,681.62/664,712.33 = 266,817.17/x - Step 3: Cross multiply
481,681.62x = 664,712.33 × 266,817.17 - Step 4: Simplify right side
481,681.62x = 177,356,663,082.40 - Step 5: Solve for x
x = 177,356,663,082.40/481,681.62 - Step 6: Final answer
x = 368,203.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.