Finding the Fourth Proportional to 457,868.05, 631,129.69 and 360,914.70
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Solution
The fourth proportional to 457,868.05, 631,129.69 and 360,914.70 is: 497,488.27
Step by Step Solution
- Step 1: Write the proportion equation
457,868.05 : 631,129.69 = 360,914.70 : x - Step 2: Convert to fraction form
457,868.05/631,129.69 = 360,914.70/x - Step 3: Cross multiply
457,868.05x = 631,129.69 × 360,914.70 - Step 4: Simplify right side
457,868.05x = 227,783,982,727.44 - Step 5: Solve for x
x = 227,783,982,727.44/457,868.05 - Step 6: Final answer
x = 497,488.27
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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.