Finding the Fourth Proportional to 442,633.44, 610,660.08 and 272,572.32
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Solution
The fourth proportional to 442,633.44, 610,660.08 and 272,572.32 is: 376,042.61
Step by Step Solution
- Step 1: Write the proportion equation
442,633.44 : 610,660.08 = 272,572.32 : x - Step 2: Convert to fraction form
442,633.44/610,660.08 = 272,572.32/x - Step 3: Cross multiply
442,633.44x = 610,660.08 × 272,572.32 - Step 4: Simplify right side
442,633.44x = 166,449,034,736.99 - Step 5: Solve for x
x = 166,449,034,736.99/442,633.44 - Step 6: Final answer
x = 376,042.61
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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.