Finding the Fourth Proportional to 170,529.84, 235,326.44 and 98,905.36
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Solution
The fourth proportional to 170,529.84, 235,326.44 and 98,905.36 is: 136,486.65
Step by Step Solution
- Step 1: Write the proportion equation
170,529.84 : 235,326.44 = 98,905.36 : x - Step 2: Convert to fraction form
170,529.84/235,326.44 = 98,905.36/x - Step 3: Cross multiply
170,529.84x = 235,326.44 × 98,905.36 - Step 4: Simplify right side
170,529.84x = 23,275,046,265.72 - Step 5: Solve for x
x = 23,275,046,265.72/170,529.84 - Step 6: Final answer
x = 136,486.65
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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.