Finding the Fourth Proportional to 413,836.19, 620,312.93 and 235,960.19
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Solution
The fourth proportional to 413,836.19, 620,312.93 and 235,960.19 is: 353,688.63
Step by Step Solution
- Step 1: Write the proportion equation
413,836.19 : 620,312.93 = 235,960.19 : x - Step 2: Convert to fraction form
413,836.19/620,312.93 = 235,960.19/x - Step 3: Cross multiply
413,836.19x = 620,312.93 × 235,960.19 - Step 4: Simplify right side
413,836.19x = 146,369,152,540.89 - Step 5: Solve for x
x = 146,369,152,540.89/413,836.19 - Step 6: Final answer
x = 353,688.63
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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.