Finding the Fourth Proportional to 243,099.09, 335,420.99 and 146,276.96
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Solution
The fourth proportional to 243,099.09, 335,420.99 and 146,276.96 is: 201,828.65
Step by Step Solution
- Step 1: Write the proportion equation
243,099.09 : 335,420.99 = 146,276.96 : x - Step 2: Convert to fraction form
243,099.09/335,420.99 = 146,276.96/x - Step 3: Cross multiply
243,099.09x = 335,420.99 × 146,276.96 - Step 4: Simplify right side
243,099.09x = 49,064,360,328.90 - Step 5: Solve for x
x = 49,064,360,328.90/243,099.09 - Step 6: Final answer
x = 201,828.65
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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.