Finding the Fourth Proportional to 276,763.68, 413,629.14 and 202,041.18
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Solution
The fourth proportional to 276,763.68, 413,629.14 and 202,041.18 is: 301,954.79
Step by Step Solution
- Step 1: Write the proportion equation
276,763.68 : 413,629.14 = 202,041.18 : x - Step 2: Convert to fraction form
276,763.68/413,629.14 = 202,041.18/x - Step 3: Cross multiply
276,763.68x = 413,629.14 × 202,041.18 - Step 4: Simplify right side
276,763.68x = 83,570,119,251.57 - Step 5: Solve for x
x = 83,570,119,251.57/276,763.68 - Step 6: Final answer
x = 301,954.79
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.