Finding the Fourth Proportional to 242,128.89, 334,136.25 and 133,239.84
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Solution
The fourth proportional to 242,128.89, 334,136.25 and 133,239.84 is: 183,870.09
Step by Step Solution
- Step 1: Write the proportion equation
242,128.89 : 334,136.25 = 133,239.84 : x - Step 2: Convert to fraction form
242,128.89/334,136.25 = 133,239.84/x - Step 3: Cross multiply
242,128.89x = 334,136.25 × 133,239.84 - Step 4: Simplify right side
242,128.89x = 44,520,260,488.20 - Step 5: Solve for x
x = 44,520,260,488.20/242,128.89 - Step 6: Final answer
x = 183,870.09
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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.