Finding the Fourth Proportional to 331,434.64, 457,366.93 and 202,588.84
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Solution
The fourth proportional to 331,434.64, 457,366.93 and 202,588.84 is: 279,564.73
Step by Step Solution
- Step 1: Write the proportion equation
331,434.64 : 457,366.93 = 202,588.84 : x - Step 2: Convert to fraction form
331,434.64/457,366.93 = 202,588.84/x - Step 3: Cross multiply
331,434.64x = 457,366.93 × 202,588.84 - Step 4: Simplify right side
331,434.64x = 92,657,434,790.12 - Step 5: Solve for x
x = 92,657,434,790.12/331,434.64 - Step 6: Final answer
x = 279,564.73
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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.