Finding the Fourth Proportional to 460,213.21, 634,925.68 and 278,794.27
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Solution
The fourth proportional to 460,213.21, 634,925.68 and 278,794.27 is: 384,633.99
Step by Step Solution
- Step 1: Write the proportion equation
460,213.21 : 634,925.68 = 278,794.27 : x - Step 2: Convert to fraction form
460,213.21/634,925.68 = 278,794.27/x - Step 3: Cross multiply
460,213.21x = 634,925.68 × 278,794.27 - Step 4: Simplify right side
460,213.21x = 177,013,641,459.85 - Step 5: Solve for x
x = 177,013,641,459.85/460,213.21 - Step 6: Final answer
x = 384,633.99
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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.