Finding the Fourth Proportional to 537,214.40, 805,821.60 and 221,566.40
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Solution
The fourth proportional to 537,214.40, 805,821.60 and 221,566.40 is: 332,349.60
Step by Step Solution
- Step 1: Write the proportion equation
537,214.40 : 805,821.60 = 221,566.40 : x - Step 2: Convert to fraction form
537,214.40/805,821.60 = 221,566.40/x - Step 3: Cross multiply
537,214.40x = 805,821.60 × 221,566.40 - Step 4: Simplify right side
537,214.40x = 178,542,990,954.24 - Step 5: Solve for x
x = 178,542,990,954.24/537,214.40 - Step 6: Final answer
x = 332,349.60
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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.