Finding the Fourth Proportional to 348,358.84, 522,340.62 and 318,638.32
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Solution
The fourth proportional to 348,358.84, 522,340.62 and 318,638.32 is: 477,776.70
Step by Step Solution
- Step 1: Write the proportion equation
348,358.84 : 522,340.62 = 318,638.32 : x - Step 2: Convert to fraction form
348,358.84/522,340.62 = 318,638.32/x - Step 3: Cross multiply
348,358.84x = 522,340.62 × 318,638.32 - Step 4: Simplify right side
348,358.84x = 166,437,737,624.56 - Step 5: Solve for x
x = 166,437,737,624.56/348,358.84 - Step 6: Final answer
x = 477,776.70
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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.