Finding the Fourth Proportional to 316,182.47, 436,474.14 and 201,614.68
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Solution
The fourth proportional to 316,182.47, 436,474.14 and 201,614.68 is: 278,319.02
Step by Step Solution
- Step 1: Write the proportion equation
316,182.47 : 436,474.14 = 201,614.68 : x - Step 2: Convert to fraction form
316,182.47/436,474.14 = 201,614.68/x - Step 3: Cross multiply
316,182.47x = 436,474.14 × 201,614.68 - Step 4: Simplify right side
316,182.47x = 87,999,594,064.38 - Step 5: Solve for x
x = 87,999,594,064.38/316,182.47 - Step 6: Final answer
x = 278,319.02
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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.