Finding the Fourth Proportional to 234,707.10, 323,895.12 and 127,276.80
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Solution
The fourth proportional to 234,707.10, 323,895.12 and 127,276.80 is: 175,641.62
Step by Step Solution
- Step 1: Write the proportion equation
234,707.10 : 323,895.12 = 127,276.80 : x - Step 2: Convert to fraction form
234,707.10/323,895.12 = 127,276.80/x - Step 3: Cross multiply
234,707.10x = 323,895.12 × 127,276.80 - Step 4: Simplify right side
234,707.10x = 41,224,334,409.22 - Step 5: Solve for x
x = 41,224,334,409.22/234,707.10 - Step 6: Final answer
x = 175,641.62
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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.