Finding the Fourth Proportional to 309,257.19, 463,739.18 and 119,806.29
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Solution
The fourth proportional to 309,257.19, 463,739.18 and 119,806.29 is: 179,652.64
Step by Step Solution
- Step 1: Write the proportion equation
309,257.19 : 463,739.18 = 119,806.29 : x - Step 2: Convert to fraction form
309,257.19/463,739.18 = 119,806.29/x - Step 3: Cross multiply
309,257.19x = 463,739.18 × 119,806.29 - Step 4: Simplify right side
309,257.19x = 55,558,870,084.41 - Step 5: Solve for x
x = 55,558,870,084.41/309,257.19 - Step 6: Final answer
x = 179,652.64
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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.