Finding the Fourth Proportional to 240,988.61, 361,136.62 and 135,584.93
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Solution
The fourth proportional to 240,988.61, 361,136.62 and 135,584.93 is: 203,182.56
Step by Step Solution
- Step 1: Write the proportion equation
240,988.61 : 361,136.62 = 135,584.93 : x - Step 2: Convert to fraction form
240,988.61/361,136.62 = 135,584.93/x - Step 3: Cross multiply
240,988.61x = 361,136.62 × 135,584.93 - Step 4: Simplify right side
240,988.61x = 48,964,683,343.14 - Step 5: Solve for x
x = 48,964,683,343.14/240,988.61 - Step 6: Final answer
x = 203,182.56
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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.