Finding the Fourth Proportional to 472,732.11, 652,374.99 and 257,876.64
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Solution
The fourth proportional to 472,732.11, 652,374.99 and 257,876.64 is: 355,872.32
Step by Step Solution
- Step 1: Write the proportion equation
472,732.11 : 652,374.99 = 257,876.64 : x - Step 2: Convert to fraction form
472,732.11/652,374.99 = 257,876.64/x - Step 3: Cross multiply
472,732.11x = 652,374.99 × 257,876.64 - Step 4: Simplify right side
472,732.11x = 168,232,270,441.23 - Step 5: Solve for x
x = 168,232,270,441.23/472,732.11 - Step 6: Final answer
x = 355,872.32
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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.