Finding the Fourth Proportional to 291,708.42, 437,679.27 and 125,613.06
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Solution
The fourth proportional to 291,708.42, 437,679.27 and 125,613.06 is: 188,469.82
Step by Step Solution
- Step 1: Write the proportion equation
291,708.42 : 437,679.27 = 125,613.06 : x - Step 2: Convert to fraction form
291,708.42/437,679.27 = 125,613.06/x - Step 3: Cross multiply
291,708.42x = 437,679.27 × 125,613.06 - Step 4: Simplify right side
291,708.42x = 54,978,232,403.27 - Step 5: Solve for x
x = 54,978,232,403.27/291,708.42 - Step 6: Final answer
x = 188,469.82
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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.