Finding the Fourth Proportional to 320,932.98, 442,901.35 and 177,693.02
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Solution
The fourth proportional to 320,932.98, 442,901.35 and 177,693.02 is: 245,224.03
Step by Step Solution
- Step 1: Write the proportion equation
320,932.98 : 442,901.35 = 177,693.02 : x - Step 2: Convert to fraction form
320,932.98/442,901.35 = 177,693.02/x - Step 3: Cross multiply
320,932.98x = 442,901.35 × 177,693.02 - Step 4: Simplify right side
320,932.98x = 78,700,479,772.95 - Step 5: Solve for x
x = 78,700,479,772.95/320,932.98 - Step 6: Final answer
x = 245,224.03
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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.