Finding the Fourth Proportional to 286,694.02, 430,045.62 and 109,211.14
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Solution
The fourth proportional to 286,694.02, 430,045.62 and 109,211.14 is: 163,818.46
Step by Step Solution
- Step 1: Write the proportion equation
286,694.02 : 430,045.62 = 109,211.14 : x - Step 2: Convert to fraction form
286,694.02/430,045.62 = 109,211.14/x - Step 3: Cross multiply
286,694.02x = 430,045.62 × 109,211.14 - Step 4: Simplify right side
286,694.02x = 46,965,772,412.21 - Step 5: Solve for x
x = 46,965,772,412.21/286,694.02 - Step 6: Final answer
x = 163,818.46
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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.