Finding the Fourth Proportional to 425,736.29, 586,905.76 and 334,934.79
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Solution
The fourth proportional to 425,736.29, 586,905.76 and 334,934.79 is: 461,729.86
Step by Step Solution
- Step 1: Write the proportion equation
425,736.29 : 586,905.76 = 334,934.79 : x - Step 2: Convert to fraction form
425,736.29/586,905.76 = 334,934.79/x - Step 3: Cross multiply
425,736.29x = 586,905.76 × 334,934.79 - Step 4: Simplify right side
425,736.29x = 196,575,157,475.39 - Step 5: Solve for x
x = 196,575,157,475.39/425,736.29 - Step 6: Final answer
x = 461,729.86
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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.