Finding the Fourth Proportional to 146,977.06, 202,831.68 and 79,909.06
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Solution
The fourth proportional to 146,977.06, 202,831.68 and 79,909.06 is: 110,276.32
Step by Step Solution
- Step 1: Write the proportion equation
146,977.06 : 202,831.68 = 79,909.06 : x - Step 2: Convert to fraction form
146,977.06/202,831.68 = 79,909.06/x - Step 3: Cross multiply
146,977.06x = 202,831.68 × 79,909.06 - Step 4: Simplify right side
146,977.06x = 16,208,088,887.02 - Step 5: Solve for x
x = 16,208,088,887.02/146,977.06 - Step 6: Final answer
x = 110,276.32
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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.