Finding the Fourth Proportional to 339,348.08, 468,305.98 and 186,400.42
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Solution
The fourth proportional to 339,348.08, 468,305.98 and 186,400.42 is: 257,235.67
Step by Step Solution
- Step 1: Write the proportion equation
339,348.08 : 468,305.98 = 186,400.42 : x - Step 2: Convert to fraction form
339,348.08/468,305.98 = 186,400.42/x - Step 3: Cross multiply
339,348.08x = 468,305.98 × 186,400.42 - Step 4: Simplify right side
339,348.08x = 87,292,431,360.51 - Step 5: Solve for x
x = 87,292,431,360.51/339,348.08 - Step 6: Final answer
x = 257,235.67
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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.