Finding the Fourth Proportional to 211,391.04, 291,719.55 and 115,895.70
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Solution
The fourth proportional to 211,391.04, 291,719.55 and 115,895.70 is: 159,936.02
Step by Step Solution
- Step 1: Write the proportion equation
211,391.04 : 291,719.55 = 115,895.70 : x - Step 2: Convert to fraction form
211,391.04/291,719.55 = 115,895.70/x - Step 3: Cross multiply
211,391.04x = 291,719.55 × 115,895.70 - Step 4: Simplify right side
211,391.04x = 33,809,041,450.94 - Step 5: Solve for x
x = 33,809,041,450.94/211,391.04 - Step 6: Final answer
x = 159,936.02
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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.