Finding the Fourth Proportional to 338,695.64, 467,405.40 and 185,747.84
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Solution
The fourth proportional to 338,695.64, 467,405.40 and 185,747.84 is: 256,334.99
Step by Step Solution
- Step 1: Write the proportion equation
338,695.64 : 467,405.40 = 185,747.84 : x - Step 2: Convert to fraction form
338,695.64/467,405.40 = 185,747.84/x - Step 3: Cross multiply
338,695.64x = 467,405.40 × 185,747.84 - Step 4: Simplify right side
338,695.64x = 86,819,543,454.34 - Step 5: Solve for x
x = 86,819,543,454.34/338,695.64 - Step 6: Final answer
x = 256,334.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.