Finding the Fourth Proportional to 442,883.13, 611,212.55 and 251,885.13
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Solution
The fourth proportional to 442,883.13, 611,212.55 and 251,885.13 is: 347,620.72
Step by Step Solution
- Step 1: Write the proportion equation
442,883.13 : 611,212.55 = 251,885.13 : x - Step 2: Convert to fraction form
442,883.13/611,212.55 = 251,885.13/x - Step 3: Cross multiply
442,883.13x = 611,212.55 × 251,885.13 - Step 4: Simplify right side
442,883.13x = 153,955,351,354.96 - Step 5: Solve for x
x = 153,955,351,354.96/442,883.13 - Step 6: Final answer
x = 347,620.72
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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.