Finding the Fourth Proportional to 670,690.18, 1,006,135.30 and 221,458.50
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Solution
The fourth proportional to 670,690.18, 1,006,135.30 and 221,458.50 is: 332,220.78
Step by Step Solution
- Step 1: Write the proportion equation
670,690.18 : 1,006,135.30 = 221,458.50 : x - Step 2: Convert to fraction form
670,690.18/1,006,135.30 = 221,458.50/x - Step 3: Cross multiply
670,690.18x = 1,006,135.30 × 221,458.50 - Step 4: Simplify right side
670,690.18x = 222,817,214,335.05 - Step 5: Solve for x
x = 222,817,214,335.05/670,690.18 - Step 6: Final answer
x = 332,220.78
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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.