Finding the Fourth Proportional to 316,108.90, 436,097.97 and 207,239.38
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Solution
The fourth proportional to 316,108.90, 436,097.97 and 207,239.38 is: 285,903.60
Step by Step Solution
- Step 1: Write the proportion equation
316,108.90 : 436,097.97 = 207,239.38 : x - Step 2: Convert to fraction form
316,108.90/436,097.97 = 207,239.38/x - Step 3: Cross multiply
316,108.90x = 436,097.97 × 207,239.38 - Step 4: Simplify right side
316,108.90x = 90,376,672,922.06 - Step 5: Solve for x
x = 90,376,672,922.06/316,108.90 - Step 6: Final answer
x = 285,903.60
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1.5x scale
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.