Finding the Fourth Proportional to 193,057.16, 266,407.99 and 112,497.80
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Solution
The fourth proportional to 193,057.16, 266,407.99 and 112,497.80 is: 155,240.61
Step by Step Solution
- Step 1: Write the proportion equation
193,057.16 : 266,407.99 = 112,497.80 : x - Step 2: Convert to fraction form
193,057.16/266,407.99 = 112,497.80/x - Step 3: Cross multiply
193,057.16x = 266,407.99 × 112,497.80 - Step 4: Simplify right side
193,057.16x = 29,970,311,164.14 - Step 5: Solve for x
x = 29,970,311,164.14/193,057.16 - Step 6: Final answer
x = 155,240.61
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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.