Finding the Fourth Proportional to 158,470.08, 218,705.76 and 101,110.96
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Solution
The fourth proportional to 158,470.08, 218,705.76 and 101,110.96 is: 139,544.00
Step by Step Solution
- Step 1: Write the proportion equation
158,470.08 : 218,705.76 = 101,110.96 : x - Step 2: Convert to fraction form
158,470.08/218,705.76 = 101,110.96/x - Step 3: Cross multiply
158,470.08x = 218,705.76 × 101,110.96 - Step 4: Simplify right side
158,470.08x = 22,113,549,351.13 - Step 5: Solve for x
x = 22,113,549,351.13/158,470.08 - Step 6: Final answer
x = 139,544.00
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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.