Finding the Fourth Proportional to 170,511.20, 235,319.48 and 94,045.26
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Solution
The fourth proportional to 170,511.20, 235,319.48 and 94,045.26 is: 129,790.18
Step by Step Solution
- Step 1: Write the proportion equation
170,511.20 : 235,319.48 = 94,045.26 : x - Step 2: Convert to fraction form
170,511.20/235,319.48 = 94,045.26/x - Step 3: Cross multiply
170,511.20x = 235,319.48 × 94,045.26 - Step 4: Simplify right side
170,511.20x = 22,130,680,326.99 - Step 5: Solve for x
x = 22,130,680,326.99/170,511.20 - Step 6: Final answer
x = 129,790.18
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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.