Finding the Fourth Proportional to 320,133.36, 480,252.21 and 149,525.73
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Solution
The fourth proportional to 320,133.36, 480,252.21 and 149,525.73 is: 224,312.96
Step by Step Solution
- Step 1: Write the proportion equation
320,133.36 : 480,252.21 = 149,525.73 : x - Step 2: Convert to fraction form
320,133.36/480,252.21 = 149,525.73/x - Step 3: Cross multiply
320,133.36x = 480,252.21 × 149,525.73 - Step 4: Simplify right side
320,133.36x = 71,810,062,284.36 - Step 5: Solve for x
x = 71,810,062,284.36/320,133.36 - Step 6: Final answer
x = 224,312.96
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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.