Finding the Fourth Proportional to 285,916.48, 429,014.45 and 202,214.53
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Solution
The fourth proportional to 285,916.48, 429,014.45 and 202,214.53 is: 303,420.62
Step by Step Solution
- Step 1: Write the proportion equation
285,916.48 : 429,014.45 = 202,214.53 : x - Step 2: Convert to fraction form
285,916.48/429,014.45 = 202,214.53/x - Step 3: Cross multiply
285,916.48x = 429,014.45 × 202,214.53 - Step 4: Simplify right side
285,916.48x = 86,752,955,369.96 - Step 5: Solve for x
x = 86,752,955,369.96/285,916.48 - Step 6: Final answer
x = 303,420.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.