Finding the Fourth Proportional to 413,273.49, 570,249.77 and 243,484.53
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Solution
The fourth proportional to 413,273.49, 570,249.77 and 243,484.53 is: 335,968.79
Step by Step Solution
- Step 1: Write the proportion equation
413,273.49 : 570,249.77 = 243,484.53 : x - Step 2: Convert to fraction form
413,273.49/570,249.77 = 243,484.53/x - Step 3: Cross multiply
413,273.49x = 570,249.77 × 243,484.53 - Step 4: Simplify right side
413,273.49x = 138,846,996,013.64 - Step 5: Solve for x
x = 138,846,996,013.64/413,273.49 - Step 6: Final answer
x = 335,968.79
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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.