Finding the Fourth Proportional to 260,656.42, 389,367.36 and 189,010.30
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Solution
The fourth proportional to 260,656.42, 389,367.36 and 189,010.30 is: 282,342.72
Step by Step Solution
- Step 1: Write the proportion equation
260,656.42 : 389,367.36 = 189,010.30 : x - Step 2: Convert to fraction form
260,656.42/389,367.36 = 189,010.30/x - Step 3: Cross multiply
260,656.42x = 389,367.36 × 189,010.30 - Step 4: Simplify right side
260,656.42x = 73,594,441,523.81 - Step 5: Solve for x
x = 73,594,441,523.81/260,656.42 - Step 6: Final answer
x = 282,342.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.