Finding the Fourth Proportional to 355,975.98, 533,949.93 and 131,239.26
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Solution
The fourth proportional to 355,975.98, 533,949.93 and 131,239.26 is: 196,853.71
Step by Step Solution
- Step 1: Write the proportion equation
355,975.98 : 533,949.93 = 131,239.26 : x - Step 2: Convert to fraction form
355,975.98/533,949.93 = 131,239.26/x - Step 3: Cross multiply
355,975.98x = 533,949.93 × 131,239.26 - Step 4: Simplify right side
355,975.98x = 70,075,193,690.25 - Step 5: Solve for x
x = 70,075,193,690.25/355,975.98 - Step 6: Final answer
x = 196,853.71
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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.