Finding the Fourth Proportional to 547,490.19, 755,521.02 and 305,765.67
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Solution
The fourth proportional to 547,490.19, 755,521.02 and 305,765.67 is: 421,948.00
Step by Step Solution
- Step 1: Write the proportion equation
547,490.19 : 755,521.02 = 305,765.67 : x - Step 2: Convert to fraction form
547,490.19/755,521.02 = 305,765.67/x - Step 3: Cross multiply
547,490.19x = 755,521.02 × 305,765.67 - Step 4: Simplify right side
547,490.19x = 231,012,390,879.38 - Step 5: Solve for x
x = 231,012,390,879.38/547,490.19 - Step 6: Final answer
x = 421,948.00
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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.