Finding the Fourth Proportional to 136,378.03, 204,594.99 and 57,492.40
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Solution
The fourth proportional to 136,378.03, 204,594.99 and 57,492.40 is: 86,250.38
Step by Step Solution
- Step 1: Write the proportion equation
136,378.03 : 204,594.99 = 57,492.40 : x - Step 2: Convert to fraction form
136,378.03/204,594.99 = 57,492.40/x - Step 3: Cross multiply
136,378.03x = 204,594.99 × 57,492.40 - Step 4: Simplify right side
136,378.03x = 11,762,657,003.08 - Step 5: Solve for x
x = 11,762,657,003.08/136,378.03 - Step 6: Final answer
x = 86,250.38
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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.