Finding the Fourth Proportional to 316,177.47, 436,467.24 and 201,609.68
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Solution
The fourth proportional to 316,177.47, 436,467.24 and 201,609.68 is: 278,312.11
Step by Step Solution
- Step 1: Write the proportion equation
316,177.47 : 436,467.24 = 201,609.68 : x - Step 2: Convert to fraction form
316,177.47/436,467.24 = 201,609.68/x - Step 3: Cross multiply
316,177.47x = 436,467.24 × 201,609.68 - Step 4: Simplify right side
316,177.47x = 87,996,018,404.55 - Step 5: Solve for x
x = 87,996,018,404.55/316,177.47 - Step 6: Final answer
x = 278,312.11
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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.