Finding the Fourth Proportional to 140,664.57, 211,454.08 and 112,888.99
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Solution
The fourth proportional to 140,664.57, 211,454.08 and 112,888.99 is: 169,700.42
Step by Step Solution
- Step 1: Write the proportion equation
140,664.57 : 211,454.08 = 112,888.99 : x - Step 2: Convert to fraction form
140,664.57/211,454.08 = 112,888.99/x - Step 3: Cross multiply
140,664.57x = 211,454.08 × 112,888.99 - Step 4: Simplify right side
140,664.57x = 23,870,837,980.93 - Step 5: Solve for x
x = 23,870,837,980.93/140,664.57 - Step 6: Final answer
x = 169,700.42
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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.