Finding the Fourth Proportional to 343,817.19, 474,455.48 and 190,862.06
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Solution
The fourth proportional to 343,817.19, 474,455.48 and 190,862.06 is: 263,382.84
Step by Step Solution
- Step 1: Write the proportion equation
343,817.19 : 474,455.48 = 190,862.06 : x - Step 2: Convert to fraction form
343,817.19/474,455.48 = 190,862.06/x - Step 3: Cross multiply
343,817.19x = 474,455.48 × 190,862.06 - Step 4: Simplify right side
343,817.19x = 90,555,546,964.50 - Step 5: Solve for x
x = 90,555,546,964.50/343,817.19 - Step 6: Final answer
x = 263,382.84
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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.