Finding the Fourth Proportional to 855,989.20, 1,283,886.60 and 224,966.80
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Solution
The fourth proportional to 855,989.20, 1,283,886.60 and 224,966.80 is: 337,424.65
Step by Step Solution
- Step 1: Write the proportion equation
855,989.20 : 1,283,886.60 = 224,966.80 : x - Step 2: Convert to fraction form
855,989.20/1,283,886.60 = 224,966.80/x - Step 3: Cross multiply
855,989.20x = 1,283,886.60 × 224,966.80 - Step 4: Simplify right side
855,989.20x = 288,831,859,964.88 - Step 5: Solve for x
x = 288,831,859,964.88/855,989.20 - Step 6: Final answer
x = 337,424.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.