Finding the Fourth Proportional to 276,763.79, 413,629.30 and 202,041.29
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Solution
The fourth proportional to 276,763.79, 413,629.30 and 202,041.29 is: 301,954.95
Step by Step Solution
- Step 1: Write the proportion equation
276,763.79 : 413,629.30 = 202,041.29 : x - Step 2: Convert to fraction form
276,763.79/413,629.30 = 202,041.29/x - Step 3: Cross multiply
276,763.79x = 413,629.30 × 202,041.29 - Step 4: Simplify right side
276,763.79x = 83,570,196,343.59 - Step 5: Solve for x
x = 83,570,196,343.59/276,763.79 - Step 6: Final answer
x = 301,954.95
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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.