Finding the Fourth Proportional to 371,973.92, 557,950.56 and 135,320.96
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Solution
The fourth proportional to 371,973.92, 557,950.56 and 135,320.96 is: 202,977.69
Step by Step Solution
- Step 1: Write the proportion equation
371,973.92 : 557,950.56 = 135,320.96 : x - Step 2: Convert to fraction form
371,973.92/557,950.56 = 135,320.96/x - Step 3: Cross multiply
371,973.92x = 557,950.56 × 135,320.96 - Step 4: Simplify right side
371,973.92x = 75,502,405,411.74 - Step 5: Solve for x
x = 75,502,405,411.74/371,973.92 - Step 6: Final answer
x = 202,977.69
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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.