Finding the Fourth Proportional to 347,840.40, 524,129.92 and 286,044.69
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Solution
The fourth proportional to 347,840.40, 524,129.92 and 286,044.69 is: 431,015.43
Step by Step Solution
- Step 1: Write the proportion equation
347,840.40 : 524,129.92 = 286,044.69 : x - Step 2: Convert to fraction form
347,840.40/524,129.92 = 286,044.69/x - Step 3: Cross multiply
347,840.40x = 524,129.92 × 286,044.69 - Step 4: Simplify right side
347,840.40x = 149,924,580,486.13 - Step 5: Solve for x
x = 149,924,580,486.13/347,840.40 - Step 6: Final answer
x = 431,015.43
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.