Finding the Fourth Proportional to 435,129.21, 600,504.77 and 289,683.99
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Solution
The fourth proportional to 435,129.21, 600,504.77 and 289,683.99 is: 399,781.52
Step by Step Solution
- Step 1: Write the proportion equation
435,129.21 : 600,504.77 = 289,683.99 : x - Step 2: Convert to fraction form
435,129.21/600,504.77 = 289,683.99/x - Step 3: Cross multiply
435,129.21x = 600,504.77 × 289,683.99 - Step 4: Simplify right side
435,129.21x = 173,956,618,511.84 - Step 5: Solve for x
x = 173,956,618,511.84/435,129.21 - Step 6: Final answer
x = 399,781.52
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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.