Finding the Fourth Proportional to 170,427.91, 235,179.95 and 93,943.06
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Solution
The fourth proportional to 170,427.91, 235,179.95 and 93,943.06 is: 129,635.59
Step by Step Solution
- Step 1: Write the proportion equation
170,427.91 : 235,179.95 = 93,943.06 : x - Step 2: Convert to fraction form
170,427.91/235,179.95 = 93,943.06/x - Step 3: Cross multiply
170,427.91x = 235,179.95 × 93,943.06 - Step 4: Simplify right side
170,427.91x = 22,093,522,977.75 - Step 5: Solve for x
x = 22,093,522,977.75/170,427.91 - Step 6: Final answer
x = 129,635.59
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1.5x scale
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.