Finding the Fourth Proportional to 146,424.96, 202,064.64 and 79,355.52
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Solution
The fourth proportional to 146,424.96, 202,064.64 and 79,355.52 is: 109,509.64
Step by Step Solution
- Step 1: Write the proportion equation
146,424.96 : 202,064.64 = 79,355.52 : x - Step 2: Convert to fraction form
146,424.96/202,064.64 = 79,355.52/x - Step 3: Cross multiply
146,424.96x = 202,064.64 × 79,355.52 - Step 4: Simplify right side
146,424.96x = 16,034,944,580.81 - Step 5: Solve for x
x = 16,034,944,580.81/146,424.96 - Step 6: Final answer
x = 109,509.64
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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.