Finding the Fourth Proportional to 320,252.88, 480,368.43 and 151,853.88
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Solution
The fourth proportional to 320,252.88, 480,368.43 and 151,853.88 is: 227,775.66
Step by Step Solution
- Step 1: Write the proportion equation
320,252.88 : 480,368.43 = 151,853.88 : x - Step 2: Convert to fraction form
320,252.88/480,368.43 = 151,853.88/x - Step 3: Cross multiply
320,252.88x = 480,368.43 × 151,853.88 - Step 4: Simplify right side
320,252.88x = 72,945,809,925.01 - Step 5: Solve for x
x = 72,945,809,925.01/320,252.88 - Step 6: Final answer
x = 227,775.66
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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.