Finding the Fourth Proportional to 355,293.15, 490,332.49 and 202,337.81
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Solution
The fourth proportional to 355,293.15, 490,332.49 and 202,337.81 is: 279,242.09
Step by Step Solution
- Step 1: Write the proportion equation
355,293.15 : 490,332.49 = 202,337.81 : x - Step 2: Convert to fraction form
355,293.15/490,332.49 = 202,337.81/x - Step 3: Cross multiply
355,293.15x = 490,332.49 × 202,337.81 - Step 4: Simplify right side
355,293.15x = 99,212,799,746.78 - Step 5: Solve for x
x = 99,212,799,746.78/355,293.15 - Step 6: Final answer
x = 279,242.09
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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.