Finding the Fourth Proportional to 170,283.98, 255,194.14 and 80,312.68
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Solution
The fourth proportional to 170,283.98, 255,194.14 and 80,312.68 is: 120,359.68
Step by Step Solution
- Step 1: Write the proportion equation
170,283.98 : 255,194.14 = 80,312.68 : x - Step 2: Convert to fraction form
170,283.98/255,194.14 = 80,312.68/x - Step 3: Cross multiply
170,283.98x = 255,194.14 × 80,312.68 - Step 4: Simplify right side
170,283.98x = 20,495,325,303.70 - Step 5: Solve for x
x = 20,495,325,303.70/170,283.98 - Step 6: Final answer
x = 120,359.68
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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.