Finding the Fourth Proportional to 254,232.84, 350,840.36 and 139,513.42
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Solution
The fourth proportional to 254,232.84, 350,840.36 and 139,513.42 is: 192,527.99
Step by Step Solution
- Step 1: Write the proportion equation
254,232.84 : 350,840.36 = 139,513.42 : x - Step 2: Convert to fraction form
254,232.84/350,840.36 = 139,513.42/x - Step 3: Cross multiply
254,232.84x = 350,840.36 × 139,513.42 - Step 4: Simplify right side
254,232.84x = 48,946,938,497.63 - Step 5: Solve for x
x = 48,946,938,497.63/254,232.84 - Step 6: Final answer
x = 192,527.99
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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.