Finding the Fourth Proportional to 153,357.09, 211,617.95 and 113,092.53
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Solution
The fourth proportional to 153,357.09, 211,617.95 and 113,092.53 is: 156,056.75
Step by Step Solution
- Step 1: Write the proportion equation
153,357.09 : 211,617.95 = 113,092.53 : x - Step 2: Convert to fraction form
153,357.09/211,617.95 = 113,092.53/x - Step 3: Cross multiply
153,357.09x = 211,617.95 × 113,092.53 - Step 4: Simplify right side
153,357.09x = 23,932,408,793.45 - Step 5: Solve for x
x = 23,932,408,793.45/153,357.09 - Step 6: Final answer
x = 156,056.75
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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.