Finding the Fourth Proportional to 312,467.97, 468,726.26 and 102,127.17
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Solution
The fourth proportional to 312,467.97, 468,726.26 and 102,127.17 is: 153,198.70
Step by Step Solution
- Step 1: Write the proportion equation
312,467.97 : 468,726.26 = 102,127.17 : x - Step 2: Convert to fraction form
312,467.97/468,726.26 = 102,127.17/x - Step 3: Cross multiply
312,467.97x = 468,726.26 × 102,127.17 - Step 4: Simplify right side
312,467.97x = 47,869,688,260.04 - Step 5: Solve for x
x = 47,869,688,260.04/312,467.97 - Step 6: Final answer
x = 153,198.70
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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.