Finding the Fourth Proportional to 255,214.76, 382,837.92 and 77,734.84
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Solution
The fourth proportional to 255,214.76, 382,837.92 and 77,734.84 is: 116,607.07
Step by Step Solution
- Step 1: Write the proportion equation
255,214.76 : 382,837.92 = 77,734.84 : x - Step 2: Convert to fraction form
255,214.76/382,837.92 = 77,734.84/x - Step 3: Cross multiply
255,214.76x = 382,837.92 × 77,734.84 - Step 4: Simplify right side
255,214.76x = 29,759,844,457.13 - Step 5: Solve for x
x = 29,759,844,457.13/255,214.76 - Step 6: Final answer
x = 116,607.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.