Finding the Fourth Proportional to 255,659.84, 352,903.20 and 155,055.68
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Solution
The fourth proportional to 255,659.84, 352,903.20 and 155,055.68 is: 214,033.01
Step by Step Solution
- Step 1: Write the proportion equation
255,659.84 : 352,903.20 = 155,055.68 : x - Step 2: Convert to fraction form
255,659.84/352,903.20 = 155,055.68/x - Step 3: Cross multiply
255,659.84x = 352,903.20 × 155,055.68 - Step 4: Simplify right side
255,659.84x = 54,719,645,650.18 - Step 5: Solve for x
x = 54,719,645,650.18/255,659.84 - Step 6: Final answer
x = 214,033.01
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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.