Finding the Fourth Proportional to 305,570.84, 421,681.41 and 169,596.81
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Solution
The fourth proportional to 305,570.84, 421,681.41 and 169,596.81 is: 234,040.07
Step by Step Solution
- Step 1: Write the proportion equation
305,570.84 : 421,681.41 = 169,596.81 : x - Step 2: Convert to fraction form
305,570.84/421,681.41 = 169,596.81/x - Step 3: Cross multiply
305,570.84x = 421,681.41 × 169,596.81 - Step 4: Simplify right side
305,570.84x = 71,515,821,124.32 - Step 5: Solve for x
x = 71,515,821,124.32/305,570.84 - Step 6: Final answer
x = 234,040.07
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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.