Finding the Fourth Proportional to 451,544.09, 623,137.86 and 247,613.63
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Solution
The fourth proportional to 451,544.09, 623,137.86 and 247,613.63 is: 341,710.65
Step by Step Solution
- Step 1: Write the proportion equation
451,544.09 : 623,137.86 = 247,613.63 : x - Step 2: Convert to fraction form
451,544.09/623,137.86 = 247,613.63/x - Step 3: Cross multiply
451,544.09x = 623,137.86 × 247,613.63 - Step 4: Simplify right side
451,544.09x = 154,297,424,389.34 - Step 5: Solve for x
x = 154,297,424,389.34/451,544.09 - Step 6: Final answer
x = 341,710.65
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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.