Finding the Fourth Proportional to 225,143.49, 337,715.17 and 84,869.31
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Solution
The fourth proportional to 225,143.49, 337,715.17 and 84,869.31 is: 127,303.94
Step by Step Solution
- Step 1: Write the proportion equation
225,143.49 : 337,715.17 = 84,869.31 : x - Step 2: Convert to fraction form
225,143.49/337,715.17 = 84,869.31/x - Step 3: Cross multiply
225,143.49x = 337,715.17 × 84,869.31 - Step 4: Simplify right side
225,143.49x = 28,661,653,242.26 - Step 5: Solve for x
x = 28,661,653,242.26/225,143.49 - Step 6: Final answer
x = 127,303.94
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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.