Finding the Fourth Proportional to 163,009.80, 244,514.70 and 107,605.80
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Solution
The fourth proportional to 163,009.80, 244,514.70 and 107,605.80 is: 161,408.70
Step by Step Solution
- Step 1: Write the proportion equation
163,009.80 : 244,514.70 = 107,605.80 : x - Step 2: Convert to fraction form
163,009.80/244,514.70 = 107,605.80/x - Step 3: Cross multiply
163,009.80x = 244,514.70 × 107,605.80 - Step 4: Simplify right side
163,009.80x = 26,311,199,905.26 - Step 5: Solve for x
x = 26,311,199,905.26/163,009.80 - Step 6: Final answer
x = 161,408.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.