Finding the Fourth Proportional to 324,881.69, 487,405.65 and 125,148.44
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Solution
The fourth proportional to 324,881.69, 487,405.65 and 125,148.44 is: 187,754.69
Step by Step Solution
- Step 1: Write the proportion equation
324,881.69 : 487,405.65 = 125,148.44 : x - Step 2: Convert to fraction form
324,881.69/487,405.65 = 125,148.44/x - Step 3: Cross multiply
324,881.69x = 487,405.65 × 125,148.44 - Step 4: Simplify right side
324,881.69x = 60,998,058,432.51 - Step 5: Solve for x
x = 60,998,058,432.51/324,881.69 - Step 6: Final answer
x = 187,754.69
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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.