Finding the Fourth Proportional to 245,572.20, 368,444.70 and 87,805.80
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Solution
The fourth proportional to 245,572.20, 368,444.70 and 87,805.80 is: 131,739.59
Step by Step Solution
- Step 1: Write the proportion equation
245,572.20 : 368,444.70 = 87,805.80 : x - Step 2: Convert to fraction form
245,572.20/368,444.70 = 87,805.80/x - Step 3: Cross multiply
245,572.20x = 368,444.70 × 87,805.80 - Step 4: Simplify right side
245,572.20x = 32,351,581,639.26 - Step 5: Solve for x
x = 32,351,581,639.26/245,572.20 - Step 6: Final answer
x = 131,739.59
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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.