Finding the Fourth Proportional to 277,605.36, 416,409.12 and 67,242.96
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Solution
The fourth proportional to 277,605.36, 416,409.12 and 67,242.96 is: 100,864.70
Step by Step Solution
- Step 1: Write the proportion equation
277,605.36 : 416,409.12 = 67,242.96 : x - Step 2: Convert to fraction form
277,605.36/416,409.12 = 67,242.96/x - Step 3: Cross multiply
277,605.36x = 416,409.12 × 67,242.96 - Step 4: Simplify right side
277,605.36x = 28,000,581,799.80 - Step 5: Solve for x
x = 28,000,581,799.80/277,605.36 - Step 6: Final answer
x = 100,864.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.