Finding the Fourth Proportional to 234,435.87, 323,521.11 and 127,008.63
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Solution
The fourth proportional to 234,435.87, 323,521.11 and 127,008.63 is: 175,271.70
Step by Step Solution
- Step 1: Write the proportion equation
234,435.87 : 323,521.11 = 127,008.63 : x - Step 2: Convert to fraction form
234,435.87/323,521.11 = 127,008.63/x - Step 3: Cross multiply
234,435.87x = 323,521.11 × 127,008.63 - Step 4: Simplify right side
234,435.87x = 41,089,972,957.18 - Step 5: Solve for x
x = 41,089,972,957.18/234,435.87 - Step 6: Final answer
x = 175,271.70
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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.