Finding the Fourth Proportional to 81,566.07, 122,328.86 and 22,398.81
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Solution
The fourth proportional to 81,566.07, 122,328.86 and 22,398.81 is: 33,592.65
Step by Step Solution
- Step 1: Write the proportion equation
81,566.07 : 122,328.86 = 22,398.81 : x - Step 2: Convert to fraction form
81,566.07/122,328.86 = 22,398.81/x - Step 3: Cross multiply
81,566.07x = 122,328.86 × 22,398.81 - Step 4: Simplify right side
81,566.07x = 2,740,020,780.66 - Step 5: Solve for x
x = 2,740,020,780.66/81,566.07 - Step 6: Final answer
x = 33,592.65
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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.