Finding the Fourth Proportional to 411,035.18, 616,865.02 and 331,268.00
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Solution
The fourth proportional to 411,035.18, 616,865.02 and 331,268.00 is: 497,153.65
Step by Step Solution
- Step 1: Write the proportion equation
411,035.18 : 616,865.02 = 331,268.00 : x - Step 2: Convert to fraction form
411,035.18/616,865.02 = 331,268.00/x - Step 3: Cross multiply
411,035.18x = 616,865.02 × 331,268.00 - Step 4: Simplify right side
411,035.18x = 204,347,637,532.87 - Step 5: Solve for x
x = 204,347,637,532.87/411,035.18 - Step 6: Final answer
x = 497,153.65
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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.