Finding the Fourth Proportional to 227,358.48, 313,756.70 and 125,387.99
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Solution
The fourth proportional to 227,358.48, 313,756.70 and 125,387.99 is: 173,036.53
Step by Step Solution
- Step 1: Write the proportion equation
227,358.48 : 313,756.70 = 125,387.99 : x - Step 2: Convert to fraction form
227,358.48/313,756.70 = 125,387.99/x - Step 3: Cross multiply
227,358.48x = 313,756.70 × 125,387.99 - Step 4: Simplify right side
227,358.48x = 39,341,321,962.03 - Step 5: Solve for x
x = 39,341,321,962.03/227,358.48 - Step 6: Final answer
x = 173,036.53
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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.