Finding the Fourth Proportional to 319,895.34, 480,133.20 and 170,261.62
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Solution
The fourth proportional to 319,895.34, 480,133.20 and 170,261.62 is: 255,546.88
Step by Step Solution
- Step 1: Write the proportion equation
319,895.34 : 480,133.20 = 170,261.62 : x - Step 2: Convert to fraction form
319,895.34/480,133.20 = 170,261.62/x - Step 3: Cross multiply
319,895.34x = 480,133.20 × 170,261.62 - Step 4: Simplify right side
319,895.34x = 81,748,256,447.78 - Step 5: Solve for x
x = 81,748,256,447.78/319,895.34 - Step 6: Final answer
x = 255,546.88
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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.