Finding the Fourth Proportional to 316,862.76, 437,107.05 and 214,853.70
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Solution
The fourth proportional to 316,862.76, 437,107.05 and 214,853.70 is: 296,387.20
Step by Step Solution
- Step 1: Write the proportion equation
316,862.76 : 437,107.05 = 214,853.70 : x - Step 2: Convert to fraction form
316,862.76/437,107.05 = 214,853.70/x - Step 3: Cross multiply
316,862.76x = 437,107.05 × 214,853.70 - Step 4: Simplify right side
316,862.76x = 93,914,066,988.59 - Step 5: Solve for x
x = 93,914,066,988.59/316,862.76 - Step 6: Final answer
x = 296,387.20
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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.