Finding the Fourth Proportional to 149,294.24, 223,638.96 and 69,219.44
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Solution
The fourth proportional to 149,294.24, 223,638.96 and 69,219.44 is: 103,688.95
Step by Step Solution
- Step 1: Write the proportion equation
149,294.24 : 223,638.96 = 69,219.44 : x - Step 2: Convert to fraction form
149,294.24/223,638.96 = 69,219.44/x - Step 3: Cross multiply
149,294.24x = 223,638.96 × 69,219.44 - Step 4: Simplify right side
149,294.24x = 15,480,163,573.38 - Step 5: Solve for x
x = 15,480,163,573.38/149,294.24 - Step 6: Final answer
x = 103,688.95
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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.