Finding the Fourth Proportional to 409,388.06, 614,175.57 and 125,119.08
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Solution
The fourth proportional to 409,388.06, 614,175.57 and 125,119.08 is: 187,707.19
Step by Step Solution
- Step 1: Write the proportion equation
409,388.06 : 614,175.57 = 125,119.08 : x - Step 2: Convert to fraction form
409,388.06/614,175.57 = 125,119.08/x - Step 3: Cross multiply
409,388.06x = 614,175.57 × 125,119.08 - Step 4: Simplify right side
409,388.06x = 76,845,082,276.88 - Step 5: Solve for x
x = 76,845,082,276.88/409,388.06 - Step 6: Final answer
x = 187,707.19
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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.