Finding the Fourth Proportional to 373,907.60, 560,743.74 and 121,129.44
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Solution
The fourth proportional to 373,907.60, 560,743.74 and 121,129.44 is: 181,656.04
Step by Step Solution
- Step 1: Write the proportion equation
373,907.60 : 560,743.74 = 121,129.44 : x - Step 2: Convert to fraction form
373,907.60/560,743.74 = 121,129.44/x - Step 3: Cross multiply
373,907.60x = 560,743.74 × 121,129.44 - Step 4: Simplify right side
373,907.60x = 67,922,575,209.71 - Step 5: Solve for x
x = 67,922,575,209.71/373,907.60 - Step 6: Final answer
x = 181,656.04
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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.