Finding the Fourth Proportional to 260,982.18, 391,473.30 and 63,990.18
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Solution
The fourth proportional to 260,982.18, 391,473.30 and 63,990.18 is: 95,985.28
Step by Step Solution
- Step 1: Write the proportion equation
260,982.18 : 391,473.30 = 63,990.18 : x - Step 2: Convert to fraction form
260,982.18/391,473.30 = 63,990.18/x - Step 3: Cross multiply
260,982.18x = 391,473.30 × 63,990.18 - Step 4: Simplify right side
260,982.18x = 25,050,446,932.19 - Step 5: Solve for x
x = 25,050,446,932.19/260,982.18 - Step 6: Final answer
x = 95,985.28
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1.5x scale
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.