Finding the Fourth Proportional to 312,174.06, 430,803.32 and 168,937.18
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Solution
The fourth proportional to 312,174.06, 430,803.32 and 168,937.18 is: 233,135.00
Step by Step Solution
- Step 1: Write the proportion equation
312,174.06 : 430,803.32 = 168,937.18 : x - Step 2: Convert to fraction form
312,174.06/430,803.32 = 168,937.18/x - Step 3: Cross multiply
312,174.06x = 430,803.32 × 168,937.18 - Step 4: Simplify right side
312,174.06x = 72,778,698,015.44 - Step 5: Solve for x
x = 72,778,698,015.44/312,174.06 - Step 6: Final answer
x = 233,135.00
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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.