Finding the Fourth Proportional to 312,013.14, 468,090.16 and 98,793.98
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Solution
The fourth proportional to 312,013.14, 468,090.16 and 98,793.98 is: 148,213.28
Step by Step Solution
- Step 1: Write the proportion equation
312,013.14 : 468,090.16 = 98,793.98 : x - Step 2: Convert to fraction form
312,013.14/468,090.16 = 98,793.98/x - Step 3: Cross multiply
312,013.14x = 468,090.16 × 98,793.98 - Step 4: Simplify right side
312,013.14x = 46,244,489,905.24 - Step 5: Solve for x
x = 46,244,489,905.24/312,013.14 - Step 6: Final answer
x = 148,213.28
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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.