Finding the Fourth Proportional to 382,978.08, 574,729.56 and 133,660.08
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Solution
The fourth proportional to 382,978.08, 574,729.56 and 133,660.08 is: 200,581.71
Step by Step Solution
- Step 1: Write the proportion equation
382,978.08 : 574,729.56 = 133,660.08 : x - Step 2: Convert to fraction form
382,978.08/574,729.56 = 133,660.08/x - Step 3: Cross multiply
382,978.08x = 574,729.56 × 133,660.08 - Step 4: Simplify right side
382,978.08x = 76,818,398,967.96 - Step 5: Solve for x
x = 76,818,398,967.96/382,978.08 - Step 6: Final answer
x = 200,581.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.