Finding the Fourth Proportional to 418,142.94, 577,037.94 and 227,156.49
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Solution
The fourth proportional to 418,142.94, 577,037.94 and 227,156.49 is: 313,476.33
Step by Step Solution
- Step 1: Write the proportion equation
418,142.94 : 577,037.94 = 227,156.49 : x - Step 2: Convert to fraction form
418,142.94/577,037.94 = 227,156.49/x - Step 3: Cross multiply
418,142.94x = 577,037.94 × 227,156.49 - Step 4: Simplify right side
418,142.94x = 131,077,913,047.23 - Step 5: Solve for x
x = 131,077,913,047.23/418,142.94 - Step 6: Final answer
x = 313,476.33
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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.