Finding the Fourth Proportional to 419,838.05, 579,354.65 and 238,524.81
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Solution
The fourth proportional to 419,838.05, 579,354.65 and 238,524.81 is: 329,151.82
Step by Step Solution
- Step 1: Write the proportion equation
419,838.05 : 579,354.65 = 238,524.81 : x - Step 2: Convert to fraction form
419,838.05/579,354.65 = 238,524.81/x - Step 3: Cross multiply
419,838.05x = 579,354.65 × 238,524.81 - Step 4: Simplify right side
419,838.05x = 138,190,458,069.63 - Step 5: Solve for x
x = 138,190,458,069.63/419,838.05 - Step 6: Final answer
x = 329,151.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.