Finding the Fourth Proportional to 495,066.41, 683,193.85 and 280,247.99
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Solution
The fourth proportional to 495,066.41, 683,193.85 and 280,247.99 is: 386,743.48
Step by Step Solution
- Step 1: Write the proportion equation
495,066.41 : 683,193.85 = 280,247.99 : x - Step 2: Convert to fraction form
495,066.41/683,193.85 = 280,247.99/x - Step 3: Cross multiply
495,066.41x = 683,193.85 × 280,247.99 - Step 4: Simplify right side
495,066.41x = 191,463,703,978.99 - Step 5: Solve for x
x = 191,463,703,978.99/495,066.41 - Step 6: Final answer
x = 386,743.48
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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.