Finding the Fourth Proportional to 341,389.50, 471,117.18 and 190,486.50
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Solution
The fourth proportional to 341,389.50, 471,117.18 and 190,486.50 is: 262,871.19
Step by Step Solution
- Step 1: Write the proportion equation
341,389.50 : 471,117.18 = 190,486.50 : x - Step 2: Convert to fraction form
341,389.50/471,117.18 = 190,486.50/x - Step 3: Cross multiply
341,389.50x = 471,117.18 × 190,486.50 - Step 4: Simplify right side
341,389.50x = 89,741,462,708.07 - Step 5: Solve for x
x = 89,741,462,708.07/341,389.50 - Step 6: Final answer
x = 262,871.19
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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.