Finding the Fourth Proportional to 466,266.24, 643,448.40 and 275,291.92
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Solution
The fourth proportional to 466,266.24, 643,448.40 and 275,291.92 is: 379,903.43
Step by Step Solution
- Step 1: Write the proportion equation
466,266.24 : 643,448.40 = 275,291.92 : x - Step 2: Convert to fraction form
466,266.24/643,448.40 = 275,291.92/x - Step 3: Cross multiply
466,266.24x = 643,448.40 × 275,291.92 - Step 4: Simplify right side
466,266.24x = 177,136,145,456.93 - Step 5: Solve for x
x = 177,136,145,456.93/466,266.24 - Step 6: Final answer
x = 379,903.43
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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.