Finding the Fourth Proportional to 428,692.41, 591,599.03 and 237,708.99
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Solution
The fourth proportional to 428,692.41, 591,599.03 and 237,708.99 is: 328,040.35
Step by Step Solution
- Step 1: Write the proportion equation
428,692.41 : 591,599.03 = 237,708.99 : x - Step 2: Convert to fraction form
428,692.41/591,599.03 = 237,708.99/x - Step 3: Cross multiply
428,692.41x = 591,599.03 × 237,708.99 - Step 4: Simplify right side
428,692.41x = 140,628,406,717.74 - Step 5: Solve for x
x = 140,628,406,717.74/428,692.41 - Step 6: Final answer
x = 328,040.35
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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.