Finding the Fourth Proportional to 417,877.08, 576,673.38 and 226,890.60
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Solution
The fourth proportional to 417,877.08, 576,673.38 and 226,890.60 is: 313,110.66
Step by Step Solution
- Step 1: Write the proportion equation
417,877.08 : 576,673.38 = 226,890.60 : x - Step 2: Convert to fraction form
417,877.08/576,673.38 = 226,890.60/x - Step 3: Cross multiply
417,877.08x = 576,673.38 × 226,890.60 - Step 4: Simplify right side
417,877.08x = 130,841,769,192.23 - Step 5: Solve for x
x = 130,841,769,192.23/417,877.08 - Step 6: Final answer
x = 313,110.66
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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.