Finding the Fourth Proportional to 190,622.16, 286,040.76 and 189,116.88
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Solution
The fourth proportional to 190,622.16, 286,040.76 and 189,116.88 is: 283,781.99
Step by Step Solution
- Step 1: Write the proportion equation
190,622.16 : 286,040.76 = 189,116.88 : x - Step 2: Convert to fraction form
190,622.16/286,040.76 = 189,116.88/x - Step 3: Cross multiply
190,622.16x = 286,040.76 × 189,116.88 - Step 4: Simplify right side
190,622.16x = 54,095,136,084.03 - Step 5: Solve for x
x = 54,095,136,084.03/190,622.16 - Step 6: Final answer
x = 283,781.99
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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.