Finding the Fourth Proportional to 211,290.42, 291,583.35 and 115,795.07
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Solution
The fourth proportional to 211,290.42, 291,583.35 and 115,795.07 is: 159,798.60
Step by Step Solution
- Step 1: Write the proportion equation
211,290.42 : 291,583.35 = 115,795.07 : x - Step 2: Convert to fraction form
211,290.42/291,583.35 = 115,795.07/x - Step 3: Cross multiply
211,290.42x = 291,583.35 × 115,795.07 - Step 4: Simplify right side
211,290.42x = 33,763,912,966.17 - Step 5: Solve for x
x = 33,763,912,966.17/211,290.42 - Step 6: Final answer
x = 159,798.60
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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.