Finding the Fourth Proportional to 306,995.32, 460,807.08 and 253,516.96
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Solution
The fourth proportional to 306,995.32, 460,807.08 and 253,516.96 is: 380,534.82
Step by Step Solution
- Step 1: Write the proportion equation
306,995.32 : 460,807.08 = 253,516.96 : x - Step 2: Convert to fraction form
306,995.32/460,807.08 = 253,516.96/x - Step 3: Cross multiply
306,995.32x = 460,807.08 × 253,516.96 - Step 4: Simplify right side
306,995.32x = 116,822,410,068.08 - Step 5: Solve for x
x = 116,822,410,068.08/306,995.32 - Step 6: Final answer
x = 380,534.82
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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.