Finding the Fourth Proportional to 170,722.49, 235,555.67 and 109,440.68
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Solution
The fourth proportional to 170,722.49, 235,555.67 and 109,440.68 is: 151,001.62
Step by Step Solution
- Step 1: Write the proportion equation
170,722.49 : 235,555.67 = 109,440.68 : x - Step 2: Convert to fraction form
170,722.49/235,555.67 = 109,440.68/x - Step 3: Cross multiply
170,722.49x = 235,555.67 × 109,440.68 - Step 4: Simplify right side
170,722.49x = 25,779,371,798.48 - Step 5: Solve for x
x = 25,779,371,798.48/170,722.49 - Step 6: Final answer
x = 151,001.62
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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.