Finding the Fourth Proportional to 353,233.52, 487,475.05 and 202,359.68
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Solution
The fourth proportional to 353,233.52, 487,475.05 and 202,359.68 is: 279,263.69
Step by Step Solution
- Step 1: Write the proportion equation
353,233.52 : 487,475.05 = 202,359.68 : x - Step 2: Convert to fraction form
353,233.52/487,475.05 = 202,359.68/x - Step 3: Cross multiply
353,233.52x = 487,475.05 × 202,359.68 - Step 4: Simplify right side
353,233.52x = 98,645,295,125.98 - Step 5: Solve for x
x = 98,645,295,125.98/353,233.52 - Step 6: Final answer
x = 279,263.69
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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.