Finding the Fourth Proportional to 324,883.19, 487,407.90 and 125,149.95
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Solution
The fourth proportional to 324,883.19, 487,407.90 and 125,149.95 is: 187,756.95
Step by Step Solution
- Step 1: Write the proportion equation
324,883.19 : 487,407.90 = 125,149.95 : x - Step 2: Convert to fraction form
324,883.19/487,407.90 = 125,149.95/x - Step 3: Cross multiply
324,883.19x = 487,407.90 × 125,149.95 - Step 4: Simplify right side
324,883.19x = 60,999,074,314.61 - Step 5: Solve for x
x = 60,999,074,314.61/324,883.19 - Step 6: Final answer
x = 187,756.95
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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.