Finding the Fourth Proportional to 319,352.64, 440,697.96 and 176,110.08
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Solution
The fourth proportional to 319,352.64, 440,697.96 and 176,110.08 is: 243,027.12
Step by Step Solution
- Step 1: Write the proportion equation
319,352.64 : 440,697.96 = 176,110.08 : x - Step 2: Convert to fraction form
319,352.64/440,697.96 = 176,110.08/x - Step 3: Cross multiply
319,352.64x = 440,697.96 × 176,110.08 - Step 4: Simplify right side
319,352.64x = 77,611,352,991.44 - Step 5: Solve for x
x = 77,611,352,991.44/319,352.64 - Step 6: Final answer
x = 243,027.12
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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.