Finding the Fourth Proportional to 312,219.97, 468,516.76 and 134,726.95
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Solution
The fourth proportional to 312,219.97, 468,516.76 and 134,726.95 is: 202,171.03
Step by Step Solution
- Step 1: Write the proportion equation
312,219.97 : 468,516.76 = 134,726.95 : x - Step 2: Convert to fraction form
312,219.97/468,516.76 = 134,726.95/x - Step 3: Cross multiply
312,219.97x = 468,516.76 × 134,726.95 - Step 4: Simplify right side
312,219.97x = 63,121,831,712.10 - Step 5: Solve for x
x = 63,121,831,712.10/312,219.97 - Step 6: Final answer
x = 202,171.03
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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.