Finding the Fourth Proportional to 285,189.34, 428,204.56 and 159,075.99
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Solution
The fourth proportional to 285,189.34, 428,204.56 and 159,075.99 is: 238,848.56
Step by Step Solution
- Step 1: Write the proportion equation
285,189.34 : 428,204.56 = 159,075.99 : x - Step 2: Convert to fraction form
285,189.34/428,204.56 = 159,075.99/x - Step 3: Cross multiply
285,189.34x = 428,204.56 × 159,075.99 - Step 4: Simplify right side
285,189.34x = 68,117,064,304.51 - Step 5: Solve for x
x = 68,117,064,304.51/285,189.34 - Step 6: Final answer
x = 238,848.56
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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.