Finding the Fourth Proportional to 265,842.94, 398,419.96 and 107,985.28
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Solution
The fourth proportional to 265,842.94, 398,419.96 and 107,985.28 is: 161,838.00
Step by Step Solution
- Step 1: Write the proportion equation
265,842.94 : 398,419.96 = 107,985.28 : x - Step 2: Convert to fraction form
265,842.94/398,419.96 = 107,985.28/x - Step 3: Cross multiply
265,842.94x = 398,419.96 × 107,985.28 - Step 4: Simplify right side
265,842.94x = 43,023,490,938.19 - Step 5: Solve for x
x = 43,023,490,938.19/265,842.94 - Step 6: Final answer
x = 161,838.00
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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.