Finding the Fourth Proportional to 190,812.80, 286,261.68 and 62,734.88
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Solution
The fourth proportional to 190,812.80, 286,261.68 and 62,734.88 is: 94,116.29
Step by Step Solution
- Step 1: Write the proportion equation
190,812.80 : 286,261.68 = 62,734.88 : x - Step 2: Convert to fraction form
190,812.80/286,261.68 = 62,734.88/x - Step 3: Cross multiply
190,812.80x = 286,261.68 × 62,734.88 - Step 4: Simplify right side
190,812.80x = 17,958,592,143.40 - Step 5: Solve for x
x = 17,958,592,143.40/190,812.80 - Step 6: Final answer
x = 94,116.29
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1.5x scale
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.