Finding the Fourth Proportional to 407,551.06, 611,129.94 and 170,830.18
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Solution
The fourth proportional to 407,551.06, 611,129.94 and 170,830.18 is: 256,162.84
Step by Step Solution
- Step 1: Write the proportion equation
407,551.06 : 611,129.94 = 170,830.18 : x - Step 2: Convert to fraction form
407,551.06/611,129.94 = 170,830.18/x - Step 3: Cross multiply
407,551.06x = 611,129.94 × 170,830.18 - Step 4: Simplify right side
407,551.06x = 104,399,437,653.59 - Step 5: Solve for x
x = 104,399,437,653.59/407,551.06 - Step 6: Final answer
x = 256,162.84
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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.