Finding the Fourth Proportional to 211,545.74, 291,890.21 and 125,466.95
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Solution
The fourth proportional to 211,545.74, 291,890.21 and 125,466.95 is: 173,118.94
Step by Step Solution
- Step 1: Write the proportion equation
211,545.74 : 291,890.21 = 125,466.95 : x - Step 2: Convert to fraction form
211,545.74/291,890.21 = 125,466.95/x - Step 3: Cross multiply
211,545.74x = 291,890.21 × 125,466.95 - Step 4: Simplify right side
211,545.74x = 36,622,574,485.95 - Step 5: Solve for x
x = 36,622,574,485.95/211,545.74 - Step 6: Final answer
x = 173,118.94
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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.