Finding the Fourth Proportional to 457,472.80, 686,236.08 and 176,991.52
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Solution
The fourth proportional to 457,472.80, 686,236.08 and 176,991.52 is: 265,497.68
Step by Step Solution
- Step 1: Write the proportion equation
457,472.80 : 686,236.08 = 176,991.52 : x - Step 2: Convert to fraction form
457,472.80/686,236.08 = 176,991.52/x - Step 3: Cross multiply
457,472.80x = 686,236.08 × 176,991.52 - Step 4: Simplify right side
457,472.80x = 121,457,966,878.04 - Step 5: Solve for x
x = 121,457,966,878.04/457,472.80 - Step 6: Final answer
x = 265,497.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.