Finding the Fourth Proportional to 585,517.08, 878,275.62 and 142,285.08
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Solution
The fourth proportional to 585,517.08, 878,275.62 and 142,285.08 is: 213,427.62
Step by Step Solution
- Step 1: Write the proportion equation
585,517.08 : 878,275.62 = 142,285.08 : x - Step 2: Convert to fraction form
585,517.08/878,275.62 = 142,285.08/x - Step 3: Cross multiply
585,517.08x = 878,275.62 × 142,285.08 - Step 4: Simplify right side
585,517.08x = 124,965,516,853.75 - Step 5: Solve for x
x = 124,965,516,853.75/585,517.08 - Step 6: Final answer
x = 213,427.62
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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.