Finding the Fourth Proportional to 257,552.13, 355,349.52 and 202,934.94
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Solution
The fourth proportional to 257,552.13, 355,349.52 and 202,934.94 is: 279,993.16
Step by Step Solution
- Step 1: Write the proportion equation
257,552.13 : 355,349.52 = 202,934.94 : x - Step 2: Convert to fraction form
257,552.13/355,349.52 = 202,934.94/x - Step 3: Cross multiply
257,552.13x = 355,349.52 × 202,934.94 - Step 4: Simplify right side
257,552.13x = 72,112,833,520.23 - Step 5: Solve for x
x = 72,112,833,520.23/257,552.13 - Step 6: Final answer
x = 279,993.16
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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.