Finding the Fourth Proportional to 170,631.99, 235,460.99 and 102,636.34
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Solution
The fourth proportional to 170,631.99, 235,460.99 and 102,636.34 is: 141,631.44
Step by Step Solution
- Step 1: Write the proportion equation
170,631.99 : 235,460.99 = 102,636.34 : x - Step 2: Convert to fraction form
170,631.99/235,460.99 = 102,636.34/x - Step 3: Cross multiply
170,631.99x = 235,460.99 × 102,636.34 - Step 4: Simplify right side
170,631.99x = 24,166,853,894.32 - Step 5: Solve for x
x = 24,166,853,894.32/170,631.99 - Step 6: Final answer
x = 141,631.44
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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.