Finding the Fourth Proportional to 457,431.63, 630,467.53 and 304,195.96
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Solution
The fourth proportional to 457,431.63, 630,467.53 and 304,195.96 is: 419,266.32
Step by Step Solution
- Step 1: Write the proportion equation
457,431.63 : 630,467.53 = 304,195.96 : x - Step 2: Convert to fraction form
457,431.63/630,467.53 = 304,195.96/x - Step 3: Cross multiply
457,431.63x = 630,467.53 × 304,195.96 - Step 4: Simplify right side
457,431.63x = 191,785,675,537.18 - Step 5: Solve for x
x = 191,785,675,537.18/457,431.63 - Step 6: Final answer
x = 419,266.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.