Finding the Fourth Proportional to 343,681.26, 474,283.10 and 190,729.77
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Solution
The fourth proportional to 343,681.26, 474,283.10 and 190,729.77 is: 263,208.72
Step by Step Solution
- Step 1: Write the proportion equation
343,681.26 : 474,283.10 = 190,729.77 : x - Step 2: Convert to fraction form
343,681.26/474,283.10 = 190,729.77/x - Step 3: Cross multiply
343,681.26x = 474,283.10 × 190,729.77 - Step 4: Simplify right side
343,681.26x = 90,459,905,624.24 - Step 5: Solve for x
x = 90,459,905,624.24/343,681.26 - Step 6: Final answer
x = 263,208.72
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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.