Finding the Fourth Proportional to 323,330.90, 445,982.88 and 202,262.08
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Solution
The fourth proportional to 323,330.90, 445,982.88 and 202,262.08 is: 278,987.95
Step by Step Solution
- Step 1: Write the proportion equation
323,330.90 : 445,982.88 = 202,262.08 : x - Step 2: Convert to fraction form
323,330.90/445,982.88 = 202,262.08/x - Step 3: Cross multiply
323,330.90x = 445,982.88 × 202,262.08 - Step 4: Simplify right side
323,330.90x = 90,205,424,953.19 - Step 5: Solve for x
x = 90,205,424,953.19/323,330.90 - Step 6: Final answer
x = 278,987.95
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1.5x scale
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.