Finding the Fourth Proportional to 495,633.05, 743,450.28 and 121,656.05
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Solution
The fourth proportional to 495,633.05, 743,450.28 and 121,656.05 is: 182,484.25
Step by Step Solution
- Step 1: Write the proportion equation
495,633.05 : 743,450.28 = 121,656.05 : x - Step 2: Convert to fraction form
495,633.05/743,450.28 = 121,656.05/x - Step 3: Cross multiply
495,633.05x = 743,450.28 × 121,656.05 - Step 4: Simplify right side
495,633.05x = 90,445,223,050.67 - Step 5: Solve for x
x = 90,445,223,050.67/495,633.05 - Step 6: Final answer
x = 182,484.25
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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.