Finding the Fourth Proportional to 341,423.76, 471,117.96 and 190,491.60
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Solution
The fourth proportional to 341,423.76, 471,117.96 and 190,491.60 is: 262,852.28
Step by Step Solution
- Step 1: Write the proportion equation
341,423.76 : 471,117.96 = 190,491.60 : x - Step 2: Convert to fraction form
341,423.76/471,117.96 = 190,491.60/x - Step 3: Cross multiply
341,423.76x = 471,117.96 × 190,491.60 - Step 4: Simplify right side
341,423.76x = 89,744,013,989.14 - Step 5: Solve for x
x = 89,744,013,989.14/341,423.76 - Step 6: Final answer
x = 262,852.28
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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.