Finding the Fourth Proportional to 820,216.95, 1,230,389.84 and 221,169.09
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Solution
The fourth proportional to 820,216.95, 1,230,389.84 and 221,169.09 is: 331,771.00
Step by Step Solution
- Step 1: Write the proportion equation
820,216.95 : 1,230,389.84 = 221,169.09 : x - Step 2: Convert to fraction form
820,216.95/1,230,389.84 = 221,169.09/x - Step 3: Cross multiply
820,216.95x = 1,230,389.84 × 221,169.09 - Step 4: Simplify right side
820,216.95x = 272,124,201,258.05 - Step 5: Solve for x
x = 272,124,201,258.05/820,216.95 - Step 6: Final answer
x = 331,771.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.