Finding the Fourth Proportional to 147,366.08, 220,875.96 and 68,313.92
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Solution
The fourth proportional to 147,366.08, 220,875.96 and 68,313.92 is: 102,390.61
Step by Step Solution
- Step 1: Write the proportion equation
147,366.08 : 220,875.96 = 68,313.92 : x - Step 2: Convert to fraction form
147,366.08/220,875.96 = 68,313.92/x - Step 3: Cross multiply
147,366.08x = 220,875.96 × 68,313.92 - Step 4: Simplify right side
147,366.08x = 15,088,902,661.36 - Step 5: Solve for x
x = 15,088,902,661.36/147,366.08 - Step 6: Final answer
x = 102,390.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.