Finding the Fourth Proportional to 354,351.04, 489,045.94 and 201,412.22
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Solution
The fourth proportional to 354,351.04, 489,045.94 and 201,412.22 is: 277,972.45
Step by Step Solution
- Step 1: Write the proportion equation
354,351.04 : 489,045.94 = 201,412.22 : x - Step 2: Convert to fraction form
354,351.04/489,045.94 = 201,412.22/x - Step 3: Cross multiply
354,351.04x = 489,045.94 × 201,412.22 - Step 4: Simplify right side
354,351.04x = 98,499,825,508.63 - Step 5: Solve for x
x = 98,499,825,508.63/354,351.04 - Step 6: Final answer
x = 277,972.45
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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.