Finding the Fourth Proportional to 364,788.03, 503,161.70 and 316,959.15
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Solution
The fourth proportional to 364,788.03, 503,161.70 and 316,959.15 is: 437,190.07
Step by Step Solution
- Step 1: Write the proportion equation
364,788.03 : 503,161.70 = 316,959.15 : x - Step 2: Convert to fraction form
364,788.03/503,161.70 = 316,959.15/x - Step 3: Cross multiply
364,788.03x = 503,161.70 × 316,959.15 - Step 4: Simplify right side
364,788.03x = 159,481,703,159.76 - Step 5: Solve for x
x = 159,481,703,159.76/364,788.03 - Step 6: Final answer
x = 437,190.07
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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.