Finding the Fourth Proportional to 403,818.50, 557,281.14 and 224,982.02
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Solution
The fourth proportional to 403,818.50, 557,281.14 and 224,982.02 is: 310,481.66
Step by Step Solution
- Step 1: Write the proportion equation
403,818.50 : 557,281.14 = 224,982.02 : x - Step 2: Convert to fraction form
403,818.50/557,281.14 = 224,982.02/x - Step 3: Cross multiply
403,818.50x = 557,281.14 × 224,982.02 - Step 4: Simplify right side
403,818.50x = 125,378,236,585.10 - Step 5: Solve for x
x = 125,378,236,585.10/403,818.50 - Step 6: Final answer
x = 310,481.66
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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.