Finding the Fourth Proportional to 299,214.67, 412,932.06 and 171,898.48
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Solution
The fourth proportional to 299,214.67, 412,932.06 and 171,898.48 is: 237,228.99
Step by Step Solution
- Step 1: Write the proportion equation
299,214.67 : 412,932.06 = 171,898.48 : x - Step 2: Convert to fraction form
299,214.67/412,932.06 = 171,898.48/x - Step 3: Cross multiply
299,214.67x = 412,932.06 × 171,898.48 - Step 4: Simplify right side
299,214.67x = 70,982,393,457.27 - Step 5: Solve for x
x = 70,982,393,457.27/299,214.67 - Step 6: Final answer
x = 237,228.99
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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.