Finding the Fourth Proportional to 170,636.14, 235,476.30 and 94,155.94
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Solution
The fourth proportional to 170,636.14, 235,476.30 and 94,155.94 is: 129,934.33
Step by Step Solution
- Step 1: Write the proportion equation
170,636.14 : 235,476.30 = 94,155.94 : x - Step 2: Convert to fraction form
170,636.14/235,476.30 = 94,155.94/x - Step 3: Cross multiply
170,636.14x = 235,476.30 × 94,155.94 - Step 4: Simplify right side
170,636.14x = 22,171,492,374.22 - Step 5: Solve for x
x = 22,171,492,374.22/170,636.14 - Step 6: Final answer
x = 129,934.33
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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.