Finding the Fourth Proportional to 277,252.36, 415,904.73 and 77,572.78
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Solution
The fourth proportional to 277,252.36, 415,904.73 and 77,572.78 is: 116,366.50
Step by Step Solution
- Step 1: Write the proportion equation
277,252.36 : 415,904.73 = 77,572.78 : x - Step 2: Convert to fraction form
277,252.36/415,904.73 = 77,572.78/x - Step 3: Cross multiply
277,252.36x = 415,904.73 × 77,572.78 - Step 4: Simplify right side
277,252.36x = 32,262,886,121.25 - Step 5: Solve for x
x = 32,262,886,121.25/277,252.36 - Step 6: Final answer
x = 116,366.50
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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.