Finding the Fourth Proportional to 135,487.24, 203,356.90 and 68,977.12
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Solution
The fourth proportional to 135,487.24, 203,356.90 and 68,977.12 is: 103,529.85
Step by Step Solution
- Step 1: Write the proportion equation
135,487.24 : 203,356.90 = 68,977.12 : x - Step 2: Convert to fraction form
135,487.24/203,356.90 = 68,977.12/x - Step 3: Cross multiply
135,487.24x = 203,356.90 × 68,977.12 - Step 4: Simplify right side
135,487.24x = 14,026,973,294.13 - Step 5: Solve for x
x = 14,026,973,294.13/135,487.24 - Step 6: Final answer
x = 103,529.85
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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.