Finding the Fourth Proportional to 347,025.84, 478,703.31 and 201,815.72
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Solution
The fourth proportional to 347,025.84, 478,703.31 and 201,815.72 is: 278,393.82
Step by Step Solution
- Step 1: Write the proportion equation
347,025.84 : 478,703.31 = 201,815.72 : x - Step 2: Convert to fraction form
347,025.84/478,703.31 = 201,815.72/x - Step 3: Cross multiply
347,025.84x = 478,703.31 × 201,815.72 - Step 4: Simplify right side
347,025.84x = 96,609,850,780.52 - Step 5: Solve for x
x = 96,609,850,780.52/347,025.84 - Step 6: Final answer
x = 278,393.82
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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.