Finding the Fourth Proportional to 397,954.21, 596,556.08 and 198,085.63
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Solution
The fourth proportional to 397,954.21, 596,556.08 and 198,085.63 is: 296,941.67
Step by Step Solution
- Step 1: Write the proportion equation
397,954.21 : 596,556.08 = 198,085.63 : x - Step 2: Convert to fraction form
397,954.21/596,556.08 = 198,085.63/x - Step 3: Cross multiply
397,954.21x = 596,556.08 × 198,085.63 - Step 4: Simplify right side
397,954.21x = 118,169,185,946.70 - Step 5: Solve for x
x = 118,169,185,946.70/397,954.21 - Step 6: Final answer
x = 296,941.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.