Finding the Fourth Proportional to 495,620.23, 743,430.93 and 135,794.15
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Solution
The fourth proportional to 495,620.23, 743,430.93 and 135,794.15 is: 203,691.39
Step by Step Solution
- Step 1: Write the proportion equation
495,620.23 : 743,430.93 = 135,794.15 : x - Step 2: Convert to fraction form
495,620.23/743,430.93 = 135,794.15/x - Step 3: Cross multiply
495,620.23x = 743,430.93 × 135,794.15 - Step 4: Simplify right side
495,620.23x = 100,953,571,223.06 - Step 5: Solve for x
x = 100,953,571,223.06/495,620.23 - Step 6: Final answer
x = 203,691.39
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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.