Finding the Fourth Proportional to 260,355.18, 390,687.96 and 116,249.80
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Solution
The fourth proportional to 260,355.18, 390,687.96 and 116,249.80 is: 174,443.99
Step by Step Solution
- Step 1: Write the proportion equation
260,355.18 : 390,687.96 = 116,249.80 : x - Step 2: Convert to fraction form
260,355.18/390,687.96 = 116,249.80/x - Step 3: Cross multiply
260,355.18x = 390,687.96 × 116,249.80 - Step 4: Simplify right side
260,355.18x = 45,417,397,212.41 - Step 5: Solve for x
x = 45,417,397,212.41/260,355.18 - Step 6: Final answer
x = 174,443.99
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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.