Finding the Fourth Proportional to 305,277.95, 421,277.30 and 169,289.96
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Solution
The fourth proportional to 305,277.95, 421,277.30 and 169,289.96 is: 233,616.66
Step by Step Solution
- Step 1: Write the proportion equation
305,277.95 : 421,277.30 = 169,289.96 : x - Step 2: Convert to fraction form
305,277.95/421,277.30 = 169,289.96/x - Step 3: Cross multiply
305,277.95x = 421,277.30 × 169,289.96 - Step 4: Simplify right side
305,277.95x = 71,318,014,947.91 - Step 5: Solve for x
x = 71,318,014,947.91/305,277.95 - Step 6: Final answer
x = 233,616.66
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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.