Finding the Fourth Proportional to 677,135.18, 1,015,407.49 and 256,115.81
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Solution
The fourth proportional to 677,135.18, 1,015,407.49 and 256,115.81 is: 384,062.03
Step by Step Solution
- Step 1: Write the proportion equation
677,135.18 : 1,015,407.49 = 256,115.81 : x - Step 2: Convert to fraction form
677,135.18/1,015,407.49 = 256,115.81/x - Step 3: Cross multiply
677,135.18x = 1,015,407.49 × 256,115.81 - Step 4: Simplify right side
677,135.18x = 260,061,911,781.42 - Step 5: Solve for x
x = 260,061,911,781.42/677,135.18 - Step 6: Final answer
x = 384,062.03
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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.