Finding the Fourth Proportional to 418,533.12, 577,563.84 and 227,542.08
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Solution
The fourth proportional to 418,533.12, 577,563.84 and 227,542.08 is: 314,001.62
Step by Step Solution
- Step 1: Write the proportion equation
418,533.12 : 577,563.84 = 227,542.08 : x - Step 2: Convert to fraction form
418,533.12/577,563.84 = 227,542.08/x - Step 3: Cross multiply
418,533.12x = 577,563.84 × 227,542.08 - Step 4: Simplify right side
418,533.12x = 131,420,077,486.39 - Step 5: Solve for x
x = 131,420,077,486.39/418,533.12 - Step 6: Final answer
x = 314,001.62
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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.