Finding the Fourth Proportional to 140,557.10, 210,772.24 and 69,451.99
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Solution
The fourth proportional to 140,557.10, 210,772.24 and 69,451.99 is: 104,146.65
Step by Step Solution
- Step 1: Write the proportion equation
140,557.10 : 210,772.24 = 69,451.99 : x - Step 2: Convert to fraction form
140,557.10/210,772.24 = 69,451.99/x - Step 3: Cross multiply
140,557.10x = 210,772.24 × 69,451.99 - Step 4: Simplify right side
140,557.10x = 14,638,550,804.20 - Step 5: Solve for x
x = 14,638,550,804.20/140,557.10 - Step 6: Final answer
x = 104,146.65
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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.