Finding the Fourth Proportional to 211,395.04, 291,737.09 and 125,404.94
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Solution
The fourth proportional to 211,395.04, 291,737.09 and 125,404.94 is: 173,065.90
Step by Step Solution
- Step 1: Write the proportion equation
211,395.04 : 291,737.09 = 125,404.94 : x - Step 2: Convert to fraction form
211,395.04/291,737.09 = 125,404.94/x - Step 3: Cross multiply
211,395.04x = 291,737.09 × 125,404.94 - Step 4: Simplify right side
211,395.04x = 36,585,272,267.22 - Step 5: Solve for x
x = 36,585,272,267.22/211,395.04 - Step 6: Final answer
x = 173,065.90
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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.