Finding the Fourth Proportional to 495,438.84, 743,158.26 and 140,455.94
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Solution
The fourth proportional to 495,438.84, 743,158.26 and 140,455.94 is: 210,683.90
Step by Step Solution
- Step 1: Write the proportion equation
495,438.84 : 743,158.26 = 140,455.94 : x - Step 2: Convert to fraction form
495,438.84/743,158.26 = 140,455.94/x - Step 3: Cross multiply
495,438.84x = 743,158.26 × 140,455.94 - Step 4: Simplify right side
495,438.84x = 104,380,988,261.27 - Step 5: Solve for x
x = 104,380,988,261.27/495,438.84 - Step 6: Final answer
x = 210,683.90
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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.