Finding the Fourth Proportional to 202,209.99, 303,501.33 and 102,439.68
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Solution
The fourth proportional to 202,209.99, 303,501.33 and 102,439.68 is: 153,753.92
Step by Step Solution
- Step 1: Write the proportion equation
202,209.99 : 303,501.33 = 102,439.68 : x - Step 2: Convert to fraction form
202,209.99/303,501.33 = 102,439.68/x - Step 3: Cross multiply
202,209.99x = 303,501.33 × 102,439.68 - Step 4: Simplify right side
202,209.99x = 31,090,579,124.77 - Step 5: Solve for x
x = 31,090,579,124.77/202,209.99 - Step 6: Final answer
x = 153,753.92
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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.