Finding the Fourth Proportional to 409,743.18, 614,705.04 and 125,435.88
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Solution
The fourth proportional to 409,743.18, 614,705.04 and 125,435.88 is: 188,181.45
Step by Step Solution
- Step 1: Write the proportion equation
409,743.18 : 614,705.04 = 125,435.88 : x - Step 2: Convert to fraction form
409,743.18/614,705.04 = 125,435.88/x - Step 3: Cross multiply
409,743.18x = 614,705.04 × 125,435.88 - Step 4: Simplify right side
409,743.18x = 77,106,067,632.84 - Step 5: Solve for x
x = 77,106,067,632.84/409,743.18 - Step 6: Final answer
x = 188,181.45
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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.