Finding the Fourth Proportional to 403,715.44, 557,142.36 and 224,878.96
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Solution
The fourth proportional to 403,715.44, 557,142.36 and 224,878.96 is: 310,341.35
Step by Step Solution
- Step 1: Write the proportion equation
403,715.44 : 557,142.36 = 224,878.96 : x - Step 2: Convert to fraction form
403,715.44/557,142.36 = 224,878.96/x - Step 3: Cross multiply
403,715.44x = 557,142.36 × 224,878.96 - Step 4: Simplify right side
403,715.44x = 125,289,594,488.75 - Step 5: Solve for x
x = 125,289,594,488.75/403,715.44 - Step 6: Final answer
x = 310,341.35
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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.