Finding the Fourth Proportional to 466,266.36, 643,448.56 and 275,292.05
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Solution
The fourth proportional to 466,266.36, 643,448.56 and 275,292.05 is: 379,903.61
Step by Step Solution
- Step 1: Write the proportion equation
466,266.36 : 643,448.56 = 275,292.05 : x - Step 2: Convert to fraction form
466,266.36/643,448.56 = 275,292.05/x - Step 3: Cross multiply
466,266.36x = 643,448.56 × 275,292.05 - Step 4: Simplify right side
466,266.36x = 177,136,273,151.95 - Step 5: Solve for x
x = 177,136,273,151.95/466,266.36 - Step 6: Final answer
x = 379,903.61
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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.