Finding the Fourth Proportional to 232,976.56, 321,430.35 and 189,881.95
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Solution
The fourth proportional to 232,976.56, 321,430.35 and 189,881.95 is: 261,974.09
Step by Step Solution
- Step 1: Write the proportion equation
232,976.56 : 321,430.35 = 189,881.95 : x - Step 2: Convert to fraction form
232,976.56/321,430.35 = 189,881.95/x - Step 3: Cross multiply
232,976.56x = 321,430.35 × 189,881.95 - Step 4: Simplify right side
232,976.56x = 61,033,821,647.18 - Step 5: Solve for x
x = 61,033,821,647.18/232,976.56 - Step 6: Final answer
x = 261,974.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.