Finding the Fourth Proportional to 347,937.11, 480,145.40 and 202,733.84
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Solution
The fourth proportional to 347,937.11, 480,145.40 and 202,733.84 is: 279,768.15
Step by Step Solution
- Step 1: Write the proportion equation
347,937.11 : 480,145.40 = 202,733.84 : x - Step 2: Convert to fraction form
347,937.11/480,145.40 = 202,733.84/x - Step 3: Cross multiply
347,937.11x = 480,145.40 × 202,733.84 - Step 4: Simplify right side
347,937.11x = 97,341,721,427.23 - Step 5: Solve for x
x = 97,341,721,427.23/347,937.11 - Step 6: Final answer
x = 279,768.15
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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.