Finding the Fourth Proportional to 409,752.44, 614,718.92 and 125,445.12
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Solution
The fourth proportional to 409,752.44, 614,718.92 and 125,445.12 is: 188,195.31
Step by Step Solution
- Step 1: Write the proportion equation
409,752.44 : 614,718.92 = 125,445.12 : x - Step 2: Convert to fraction form
409,752.44/614,718.92 = 125,445.12/x - Step 3: Cross multiply
409,752.44x = 614,718.92 × 125,445.12 - Step 4: Simplify right side
409,752.44x = 77,113,488,685.67 - Step 5: Solve for x
x = 77,113,488,685.67/409,752.44 - Step 6: Final answer
x = 188,195.31
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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.