Finding the Fourth Proportional to 157,437.74, 236,190.33 and 57,597.55
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Solution
The fourth proportional to 157,437.74, 236,190.33 and 57,597.55 is: 86,408.66
Step by Step Solution
- Step 1: Write the proportion equation
157,437.74 : 236,190.33 = 57,597.55 : x - Step 2: Convert to fraction form
157,437.74/236,190.33 = 57,597.55/x - Step 3: Cross multiply
157,437.74x = 236,190.33 × 57,597.55 - Step 4: Simplify right side
157,437.74x = 13,603,983,751.22 - Step 5: Solve for x
x = 13,603,983,751.22/157,437.74 - Step 6: Final answer
x = 86,408.66
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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.