Finding the Fourth Proportional to 133,825.26, 184,678.84 and 74,209.26
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Solution
The fourth proportional to 133,825.26, 184,678.84 and 74,209.26 is: 102,408.77
Step by Step Solution
- Step 1: Write the proportion equation
133,825.26 : 184,678.84 = 74,209.26 : x - Step 2: Convert to fraction form
133,825.26/184,678.84 = 74,209.26/x - Step 3: Cross multiply
133,825.26x = 184,678.84 × 74,209.26 - Step 4: Simplify right side
133,825.26x = 13,704,880,054.06 - Step 5: Solve for x
x = 13,704,880,054.06/133,825.26 - Step 6: Final answer
x = 102,408.77
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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.