Finding the Fourth Proportional to 462,453.24, 638,266.68 and 268,920.84
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Solution
The fourth proportional to 462,453.24, 638,266.68 and 268,920.84 is: 371,157.98
Step by Step Solution
- Step 1: Write the proportion equation
462,453.24 : 638,266.68 = 268,920.84 : x - Step 2: Convert to fraction form
462,453.24/638,266.68 = 268,920.84/x - Step 3: Cross multiply
462,453.24x = 638,266.68 × 268,920.84 - Step 4: Simplify right side
462,453.24x = 171,643,211,729.61 - Step 5: Solve for x
x = 171,643,211,729.61/462,453.24 - Step 6: Final answer
x = 371,157.98
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1.5x scale
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.