Finding the Fourth Proportional to 80,881.18, 121,345.44 and 41,465.80
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Solution
The fourth proportional to 80,881.18, 121,345.44 and 41,465.80 is: 62,210.84
Step by Step Solution
- Step 1: Write the proportion equation
80,881.18 : 121,345.44 = 41,465.80 : x - Step 2: Convert to fraction form
80,881.18/121,345.44 = 41,465.80/x - Step 3: Cross multiply
80,881.18x = 121,345.44 × 41,465.80 - Step 4: Simplify right side
80,881.18x = 5,031,685,745.95 - Step 5: Solve for x
x = 5,031,685,745.95/80,881.18 - Step 6: Final answer
x = 62,210.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.