Finding the Fourth Proportional to 616,288.99, 849,989.42 and 374,566.99
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Solution
The fourth proportional to 616,288.99, 849,989.42 and 374,566.99 is: 516,605.01
Step by Step Solution
- Step 1: Write the proportion equation
616,288.99 : 849,989.42 = 374,566.99 : x - Step 2: Convert to fraction form
616,288.99/849,989.42 = 374,566.99/x - Step 3: Cross multiply
616,288.99x = 849,989.42 × 374,566.99 - Step 4: Simplify right side
616,288.99x = 318,377,974,331.30 - Step 5: Solve for x
x = 318,377,974,331.30/616,288.99 - Step 6: Final answer
x = 516,605.01
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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.