Finding the Fourth Proportional to 418,272.24, 577,455.82 and 275,448.18
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Solution
The fourth proportional to 418,272.24, 577,455.82 and 275,448.18 is: 380,276.62
Step by Step Solution
- Step 1: Write the proportion equation
418,272.24 : 577,455.82 = 275,448.18 : x - Step 2: Convert to fraction form
418,272.24/577,455.82 = 275,448.18/x - Step 3: Cross multiply
418,272.24x = 577,455.82 × 275,448.18 - Step 4: Simplify right side
418,272.24x = 159,059,154,649.41 - Step 5: Solve for x
x = 159,059,154,649.41/418,272.24 - Step 6: Final answer
x = 380,276.62
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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.