Finding the Fourth Proportional to 348,360.84, 522,343.62 and 318,640.32
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Solution
The fourth proportional to 348,360.84, 522,343.62 and 318,640.32 is: 477,779.70
Step by Step Solution
- Step 1: Write the proportion equation
348,360.84 : 522,343.62 = 318,640.32 : x - Step 2: Convert to fraction form
348,360.84/522,343.62 = 318,640.32/x - Step 3: Cross multiply
348,360.84x = 522,343.62 × 318,640.32 - Step 4: Simplify right side
348,360.84x = 166,439,738,226.76 - Step 5: Solve for x
x = 166,439,738,226.76/348,360.84 - Step 6: Final answer
x = 477,779.70
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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.