Finding the Fourth Proportional to 170,428.84, 235,202.08 and 93,947.84
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Solution
The fourth proportional to 170,428.84, 235,202.08 and 93,947.84 is: 129,653.69
Step by Step Solution
- Step 1: Write the proportion equation
170,428.84 : 235,202.08 = 93,947.84 : x - Step 2: Convert to fraction form
170,428.84/235,202.08 = 93,947.84/x - Step 3: Cross multiply
170,428.84x = 235,202.08 × 93,947.84 - Step 4: Simplify right side
170,428.84x = 22,096,727,379.51 - Step 5: Solve for x
x = 22,096,727,379.51/170,428.84 - Step 6: Final answer
x = 129,653.69
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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.