Finding the Fourth Proportional to 447,032.13, 616,900.97 and 243,083.18
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Solution
The fourth proportional to 447,032.13, 616,900.97 and 243,083.18 is: 335,452.95
Step by Step Solution
- Step 1: Write the proportion equation
447,032.13 : 616,900.97 = 243,083.18 : x - Step 2: Convert to fraction form
447,032.13/616,900.97 = 243,083.18/x - Step 3: Cross multiply
447,032.13x = 616,900.97 × 243,083.18 - Step 4: Simplify right side
447,032.13x = 149,958,245,232.76 - Step 5: Solve for x
x = 149,958,245,232.76/447,032.13 - Step 6: Final answer
x = 335,452.95
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1.5x scale
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.