Finding the Fourth Proportional to 215,513.92, 297,328.76 and 215,181.68
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Solution
The fourth proportional to 215,513.92, 297,328.76 and 215,181.68 is: 296,870.39
Step by Step Solution
- Step 1: Write the proportion equation
215,513.92 : 297,328.76 = 215,181.68 : x - Step 2: Convert to fraction form
215,513.92/297,328.76 = 215,181.68/x - Step 3: Cross multiply
215,513.92x = 297,328.76 × 215,181.68 - Step 4: Simplify right side
215,513.92x = 63,979,702,089.12 - Step 5: Solve for x
x = 63,979,702,089.12/215,513.92 - Step 6: Final answer
x = 296,870.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.