Finding the Fourth Proportional to 232,089.20, 348,138.65 and 74,317.19
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Solution
The fourth proportional to 232,089.20, 348,138.65 and 74,317.19 is: 111,477.33
Step by Step Solution
- Step 1: Write the proportion equation
232,089.20 : 348,138.65 = 74,317.19 : x - Step 2: Convert to fraction form
232,089.20/348,138.65 = 74,317.19/x - Step 3: Cross multiply
232,089.20x = 348,138.65 × 74,317.19 - Step 4: Simplify right side
232,089.20x = 25,872,684,086.11 - Step 5: Solve for x
x = 25,872,684,086.11/232,089.20 - Step 6: Final answer
x = 111,477.33
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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.