Finding the Fourth Proportional to 297,022.18, 445,525.88 and 86,661.94
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Solution
The fourth proportional to 297,022.18, 445,525.88 and 86,661.94 is: 129,990.75
Step by Step Solution
- Step 1: Write the proportion equation
297,022.18 : 445,525.88 = 86,661.94 : x - Step 2: Convert to fraction form
297,022.18/445,525.88 = 86,661.94/x - Step 3: Cross multiply
297,022.18x = 445,525.88 × 86,661.94 - Step 4: Simplify right side
297,022.18x = 38,610,137,081.01 - Step 5: Solve for x
x = 38,610,137,081.01/297,022.18 - Step 6: Final answer
x = 129,990.75
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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.