Finding the Fourth Proportional to 400,556.48, 552,730.12 and 239,379.44
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Solution
The fourth proportional to 400,556.48, 552,730.12 and 239,379.44 is: 330,321.02
Step by Step Solution
- Step 1: Write the proportion equation
400,556.48 : 552,730.12 = 239,379.44 : x - Step 2: Convert to fraction form
400,556.48/552,730.12 = 239,379.44/x - Step 3: Cross multiply
400,556.48x = 552,730.12 × 239,379.44 - Step 4: Simplify right side
400,556.48x = 132,312,226,596.73 - Step 5: Solve for x
x = 132,312,226,596.73/400,556.48 - Step 6: Final answer
x = 330,321.02
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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.