Finding the Fourth Proportional to 354,590.56, 489,315.04 and 201,665.95
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Solution
The fourth proportional to 354,590.56, 489,315.04 and 201,665.95 is: 278,287.67
Step by Step Solution
- Step 1: Write the proportion equation
354,590.56 : 489,315.04 = 201,665.95 : x - Step 2: Convert to fraction form
354,590.56/489,315.04 = 201,665.95/x - Step 3: Cross multiply
354,590.56x = 489,315.04 × 201,665.95 - Step 4: Simplify right side
354,590.56x = 98,678,180,663.44 - Step 5: Solve for x
x = 98,678,180,663.44/354,590.56 - Step 6: Final answer
x = 278,287.67
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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.