Finding the Fourth Proportional to 257,842.44, 386,389.80 and 183,108.96
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Solution
The fourth proportional to 257,842.44, 386,389.80 and 183,108.96 is: 274,397.94
Step by Step Solution
- Step 1: Write the proportion equation
257,842.44 : 386,389.80 = 183,108.96 : x - Step 2: Convert to fraction form
257,842.44/386,389.80 = 183,108.96/x - Step 3: Cross multiply
257,842.44x = 386,389.80 × 183,108.96 - Step 4: Simplify right side
257,842.44x = 70,751,434,432.61 - Step 5: Solve for x
x = 70,751,434,432.61/257,842.44 - Step 6: Final answer
x = 274,397.94
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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.