Finding the Fourth Proportional to 224,616.94, 309,969.01 and 122,642.08
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Solution
The fourth proportional to 224,616.94, 309,969.01 and 122,642.08 is: 169,244.77
Step by Step Solution
- Step 1: Write the proportion equation
224,616.94 : 309,969.01 = 122,642.08 : x - Step 2: Convert to fraction form
224,616.94/309,969.01 = 122,642.08/x - Step 3: Cross multiply
224,616.94x = 309,969.01 × 122,642.08 - Step 4: Simplify right side
224,616.94x = 38,015,241,958.89 - Step 5: Solve for x
x = 38,015,241,958.89/224,616.94 - Step 6: Final answer
x = 169,244.77
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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.