Finding the Fourth Proportional to 255,591.18, 352,716.12 and 148,223.62
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Solution
The fourth proportional to 255,591.18, 352,716.12 and 148,223.62 is: 204,548.77
Step by Step Solution
- Step 1: Write the proportion equation
255,591.18 : 352,716.12 = 148,223.62 : x - Step 2: Convert to fraction form
255,591.18/352,716.12 = 148,223.62/x - Step 3: Cross multiply
255,591.18x = 352,716.12 × 148,223.62 - Step 4: Simplify right side
255,591.18x = 52,280,860,579.65 - Step 5: Solve for x
x = 52,280,860,579.65/255,591.18 - Step 6: Final answer
x = 204,548.77
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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.