Finding the Fourth Proportional to 674,176.37, 930,354.05 and 368,249.09
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Solution
The fourth proportional to 674,176.37, 930,354.05 and 368,249.09 is: 508,178.64
Step by Step Solution
- Step 1: Write the proportion equation
674,176.37 : 930,354.05 = 368,249.09 : x - Step 2: Convert to fraction form
674,176.37/930,354.05 = 368,249.09/x - Step 3: Cross multiply
674,176.37x = 930,354.05 × 368,249.09 - Step 4: Simplify right side
674,176.37x = 342,602,028,559.17 - Step 5: Solve for x
x = 342,602,028,559.17/674,176.37 - Step 6: Final answer
x = 508,178.64
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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.