Finding the Fourth Proportional to 518,177.09, 777,265.63 and 202,412.56
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Solution
The fourth proportional to 518,177.09, 777,265.63 and 202,412.56 is: 303,618.84
Step by Step Solution
- Step 1: Write the proportion equation
518,177.09 : 777,265.63 = 202,412.56 : x - Step 2: Convert to fraction form
518,177.09/777,265.63 = 202,412.56/x - Step 3: Cross multiply
518,177.09x = 777,265.63 × 202,412.56 - Step 4: Simplify right side
518,177.09x = 157,328,323,519.12 - Step 5: Solve for x
x = 157,328,323,519.12/518,177.09 - Step 6: Final answer
x = 303,618.84
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1.5x scale
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.