Finding the Fourth Proportional to 292,371.99, 438,594.89 and 102,787.80
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Solution
The fourth proportional to 292,371.99, 438,594.89 and 102,787.80 is: 154,194.67
Step by Step Solution
- Step 1: Write the proportion equation
292,371.99 : 438,594.89 = 102,787.80 : x - Step 2: Convert to fraction form
292,371.99/438,594.89 = 102,787.80/x - Step 3: Cross multiply
292,371.99x = 438,594.89 × 102,787.80 - Step 4: Simplify right side
292,371.99x = 45,082,203,320.40 - Step 5: Solve for x
x = 45,082,203,320.40/292,371.99 - Step 6: Final answer
x = 154,194.67
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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.