Finding the Fourth Proportional to 395,848.50, 546,305.49 and 217,035.06
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Solution
The fourth proportional to 395,848.50, 546,305.49 and 217,035.06 is: 299,527.33
Step by Step Solution
- Step 1: Write the proportion equation
395,848.50 : 546,305.49 = 217,035.06 : x - Step 2: Convert to fraction form
395,848.50/546,305.49 = 217,035.06/x - Step 3: Cross multiply
395,848.50x = 546,305.49 × 217,035.06 - Step 4: Simplify right side
395,848.50x = 118,567,444,800.48 - Step 5: Solve for x
x = 118,567,444,800.48/395,848.50 - Step 6: Final answer
x = 299,527.33
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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.