Finding the Fourth Proportional to 355,278.68, 531,963.08 and 270,635.64
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Solution
The fourth proportional to 355,278.68, 531,963.08 and 270,635.64 is: 405,226.02
Step by Step Solution
- Step 1: Write the proportion equation
355,278.68 : 531,963.08 = 270,635.64 : x - Step 2: Convert to fraction form
355,278.68/531,963.08 = 270,635.64/x - Step 3: Cross multiply
355,278.68x = 531,963.08 × 270,635.64 - Step 4: Simplify right side
355,278.68x = 143,968,166,279.02 - Step 5: Solve for x
x = 143,968,166,279.02/355,278.68 - Step 6: Final answer
x = 405,226.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.