Finding the Fourth Proportional to 276,612.30, 414,918.45 and 272,465.10
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Solution
The fourth proportional to 276,612.30, 414,918.45 and 272,465.10 is: 408,697.65
Step by Step Solution
- Step 1: Write the proportion equation
276,612.30 : 414,918.45 = 272,465.10 : x - Step 2: Convert to fraction form
276,612.30/414,918.45 = 272,465.10/x - Step 3: Cross multiply
276,612.30x = 414,918.45 × 272,465.10 - Step 4: Simplify right side
276,612.30x = 113,050,796,971.10 - Step 5: Solve for x
x = 113,050,796,971.10/276,612.30 - Step 6: Final answer
x = 408,697.65
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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.