Finding the Fourth Proportional to 319,074.18, 478,797.30 and 119,534.73
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Solution
The fourth proportional to 319,074.18, 478,797.30 and 119,534.73 is: 179,371.79
Step by Step Solution
- Step 1: Write the proportion equation
319,074.18 : 478,797.30 = 119,534.73 : x - Step 2: Convert to fraction form
319,074.18/478,797.30 = 119,534.73/x - Step 3: Cross multiply
319,074.18x = 478,797.30 × 119,534.73 - Step 4: Simplify right side
319,074.18x = 57,232,905,980.23 - Step 5: Solve for x
x = 57,232,905,980.23/319,074.18 - Step 6: Final answer
x = 179,371.79
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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.