Finding the Fourth Proportional to 585,516.08, 878,274.12 and 142,284.08
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Solution
The fourth proportional to 585,516.08, 878,274.12 and 142,284.08 is: 213,426.12
Step by Step Solution
- Step 1: Write the proportion equation
585,516.08 : 878,274.12 = 142,284.08 : x - Step 2: Convert to fraction form
585,516.08/878,274.12 = 142,284.08/x - Step 3: Cross multiply
585,516.08x = 878,274.12 × 142,284.08 - Step 4: Simplify right side
585,516.08x = 124,964,425,152.01 - Step 5: Solve for x
x = 124,964,425,152.01/585,516.08 - Step 6: Final answer
x = 213,426.12
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Similar ratio
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1.5x scale
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.