Finding the Fourth Proportional to 174,210.62, 261,432.63 and 74,394.18
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Solution
The fourth proportional to 174,210.62, 261,432.63 and 74,394.18 is: 111,641.11
Step by Step Solution
- Step 1: Write the proportion equation
174,210.62 : 261,432.63 = 74,394.18 : x - Step 2: Convert to fraction form
174,210.62/261,432.63 = 74,394.18/x - Step 3: Cross multiply
174,210.62x = 261,432.63 × 74,394.18 - Step 4: Simplify right side
174,210.62x = 19,449,066,134.09 - Step 5: Solve for x
x = 19,449,066,134.09/174,210.62 - Step 6: Final answer
x = 111,641.11
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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.