Finding the Fourth Proportional to 417,711.70, 576,426.71 and 226,720.99
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Solution
The fourth proportional to 417,711.70, 576,426.71 and 226,720.99 is: 312,866.59
Step by Step Solution
- Step 1: Write the proportion equation
417,711.70 : 576,426.71 = 226,720.99 : x - Step 2: Convert to fraction form
417,711.70/576,426.71 = 226,720.99/x - Step 3: Cross multiply
417,711.70x = 576,426.71 × 226,720.99 - Step 4: Simplify right side
417,711.70x = 130,688,035,640.98 - Step 5: Solve for x
x = 130,688,035,640.98/417,711.70 - Step 6: Final answer
x = 312,866.59
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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.