Finding the Fourth Proportional to 409,719.62, 614,652.11 and 125,403.88
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Solution
The fourth proportional to 409,719.62, 614,652.11 and 125,403.88 is: 188,128.07
Step by Step Solution
- Step 1: Write the proportion equation
409,719.62 : 614,652.11 = 125,403.88 : x - Step 2: Convert to fraction form
409,719.62/614,652.11 = 125,403.88/x - Step 3: Cross multiply
409,719.62x = 614,652.11 × 125,403.88 - Step 4: Simplify right side
409,719.62x = 77,079,759,444.19 - Step 5: Solve for x
x = 77,079,759,444.19/409,719.62 - Step 6: Final answer
x = 188,128.07
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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.