Finding the Fourth Proportional to 216,291.35, 324,436.95 and 157,501.14
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Solution
The fourth proportional to 216,291.35, 324,436.95 and 157,501.14 is: 236,251.66
Step by Step Solution
- Step 1: Write the proportion equation
216,291.35 : 324,436.95 = 157,501.14 : x - Step 2: Convert to fraction form
216,291.35/324,436.95 = 157,501.14/x - Step 3: Cross multiply
216,291.35x = 324,436.95 × 157,501.14 - Step 4: Simplify right side
216,291.35x = 51,099,189,483.12 - Step 5: Solve for x
x = 51,099,189,483.12/216,291.35 - Step 6: Final answer
x = 236,251.66
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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.