Finding the Fourth Proportional to 211,706.10, 292,574.34 and 173,404.98
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Solution
The fourth proportional to 211,706.10, 292,574.34 and 173,404.98 is: 239,642.82
Step by Step Solution
- Step 1: Write the proportion equation
211,706.10 : 292,574.34 = 173,404.98 : x - Step 2: Convert to fraction form
211,706.10/292,574.34 = 173,404.98/x - Step 3: Cross multiply
211,706.10x = 292,574.34 × 173,404.98 - Step 4: Simplify right side
211,706.10x = 50,733,847,576.21 - Step 5: Solve for x
x = 50,733,847,576.21/211,706.10 - Step 6: Final answer
x = 239,642.82
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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.