Finding the Fourth Proportional to 158,260.64, 218,340.06 and 103,842.84
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Solution
The fourth proportional to 158,260.64, 218,340.06 and 103,842.84 is: 143,264.00
Step by Step Solution
- Step 1: Write the proportion equation
158,260.64 : 218,340.06 = 103,842.84 : x - Step 2: Convert to fraction form
158,260.64/218,340.06 = 103,842.84/x - Step 3: Cross multiply
158,260.64x = 218,340.06 × 103,842.84 - Step 4: Simplify right side
158,260.64x = 22,673,052,345.54 - Step 5: Solve for x
x = 22,673,052,345.54/158,260.64 - Step 6: Final answer
x = 143,264.00
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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.