Finding the Fourth Proportional to 277,657.81, 416,486.73 and 67,295.74
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Solution
The fourth proportional to 277,657.81, 416,486.73 and 67,295.74 is: 100,943.61
Step by Step Solution
- Step 1: Write the proportion equation
277,657.81 : 416,486.73 = 67,295.74 : x - Step 2: Convert to fraction form
277,657.81/416,486.73 = 67,295.74/x - Step 3: Cross multiply
277,657.81x = 416,486.73 × 67,295.74 - Step 4: Simplify right side
277,657.81x = 28,027,782,695.53 - Step 5: Solve for x
x = 28,027,782,695.53/277,657.81 - Step 6: Final answer
x = 100,943.61
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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.