Finding the Fourth Proportional to 413,392.36, 620,177.08 and 143,528.94
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Solution
The fourth proportional to 413,392.36, 620,177.08 and 143,528.94 is: 215,324.15
Step by Step Solution
- Step 1: Write the proportion equation
413,392.36 : 620,177.08 = 143,528.94 : x - Step 2: Convert to fraction form
413,392.36/620,177.08 = 143,528.94/x - Step 3: Cross multiply
413,392.36x = 620,177.08 × 143,528.94 - Step 4: Simplify right side
413,392.36x = 89,013,357,474.42 - Step 5: Solve for x
x = 89,013,357,474.42/413,392.36 - Step 6: Final answer
x = 215,324.15
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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.