Finding the Fourth Proportional to 127,223.70, 190,543.95 and 124,307.70
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Solution
The fourth proportional to 127,223.70, 190,543.95 and 124,307.70 is: 186,176.63
Step by Step Solution
- Step 1: Write the proportion equation
127,223.70 : 190,543.95 = 124,307.70 : x - Step 2: Convert to fraction form
127,223.70/190,543.95 = 124,307.70/x - Step 3: Cross multiply
127,223.70x = 190,543.95 × 124,307.70 - Step 4: Simplify right side
127,223.70x = 23,686,080,173.42 - Step 5: Solve for x
x = 23,686,080,173.42/127,223.70 - Step 6: Final answer
x = 186,176.63
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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.