Finding the Fourth Proportional to 316,080.42, 435,836.27 and 201,177.06
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Solution
The fourth proportional to 316,080.42, 435,836.27 and 201,177.06 is: 277,398.58
Step by Step Solution
- Step 1: Write the proportion equation
316,080.42 : 435,836.27 = 201,177.06 : x - Step 2: Convert to fraction form
316,080.42/435,836.27 = 201,177.06/x - Step 3: Cross multiply
316,080.42x = 435,836.27 × 201,177.06 - Step 4: Simplify right side
316,080.42x = 87,680,258,434.08 - Step 5: Solve for x
x = 87,680,258,434.08/316,080.42 - Step 6: Final answer
x = 277,398.58
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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.