Finding the Fourth Proportional to 171,441.68, 236,430.84 and 117,631.76
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Solution
The fourth proportional to 171,441.68, 236,430.84 and 117,631.76 is: 162,222.95
Step by Step Solution
- Step 1: Write the proportion equation
171,441.68 : 236,430.84 = 117,631.76 : x - Step 2: Convert to fraction form
171,441.68/236,430.84 = 117,631.76/x - Step 3: Cross multiply
171,441.68x = 236,430.84 × 117,631.76 - Step 4: Simplify right side
171,441.68x = 27,811,775,827.48 - Step 5: Solve for x
x = 27,811,775,827.48/171,441.68 - Step 6: Final answer
x = 162,222.95
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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.