Finding the Fourth Proportional to 315,214.20, 472,389.30 and 202,548.60
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Solution
The fourth proportional to 315,214.20, 472,389.30 and 202,548.60 is: 303,545.31
Step by Step Solution
- Step 1: Write the proportion equation
315,214.20 : 472,389.30 = 202,548.60 : x - Step 2: Convert to fraction form
315,214.20/472,389.30 = 202,548.60/x - Step 3: Cross multiply
315,214.20x = 472,389.30 × 202,548.60 - Step 4: Simplify right side
315,214.20x = 95,681,791,369.98 - Step 5: Solve for x
x = 95,681,791,369.98/315,214.20 - Step 6: Final answer
x = 303,545.31
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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.