Finding the Fourth Proportional to 275,689.80, 413,534.70 and 98,202.60
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Solution
The fourth proportional to 275,689.80, 413,534.70 and 98,202.60 is: 147,303.90
Step by Step Solution
- Step 1: Write the proportion equation
275,689.80 : 413,534.70 = 98,202.60 : x - Step 2: Convert to fraction form
275,689.80/413,534.70 = 98,202.60/x - Step 3: Cross multiply
275,689.80x = 413,534.70 × 98,202.60 - Step 4: Simplify right side
275,689.80x = 40,610,182,730.22 - Step 5: Solve for x
x = 40,610,182,730.22/275,689.80 - Step 6: Final answer
x = 147,303.90
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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.