Finding the Fourth Proportional to 261,792.80, 361,252.77 and 147,065.21
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Solution
The fourth proportional to 261,792.80, 361,252.77 and 147,065.21 is: 202,938.03
Step by Step Solution
- Step 1: Write the proportion equation
261,792.80 : 361,252.77 = 147,065.21 : x - Step 2: Convert to fraction form
261,792.80/361,252.77 = 147,065.21/x - Step 3: Cross multiply
261,792.80x = 361,252.77 × 147,065.21 - Step 4: Simplify right side
261,792.80x = 53,127,714,483.13 - Step 5: Solve for x
x = 53,127,714,483.13/261,792.80 - Step 6: Final answer
x = 202,938.03
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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.