Finding the Fourth Proportional to 211,394.04, 291,723.68 and 115,898.70
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Solution
The fourth proportional to 211,394.04, 291,723.68 and 115,898.70 is: 159,940.15
Step by Step Solution
- Step 1: Write the proportion equation
211,394.04 : 291,723.68 = 115,898.70 : x - Step 2: Convert to fraction form
211,394.04/291,723.68 = 115,898.70/x - Step 3: Cross multiply
211,394.04x = 291,723.68 × 115,898.70 - Step 4: Simplify right side
211,394.04x = 33,810,395,271.22 - Step 5: Solve for x
x = 33,810,395,271.22/211,394.04 - Step 6: Final answer
x = 159,940.15
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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.