Finding the Fourth Proportional to 170,449.30, 235,215.70 and 93,966.62
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Solution
The fourth proportional to 170,449.30, 235,215.70 and 93,966.62 is: 129,671.54
Step by Step Solution
- Step 1: Write the proportion equation
170,449.30 : 235,215.70 = 93,966.62 : x - Step 2: Convert to fraction form
170,449.30/235,215.70 = 93,966.62/x - Step 3: Cross multiply
170,449.30x = 235,215.70 × 93,966.62 - Step 4: Simplify right side
170,449.30x = 22,102,422,888.94 - Step 5: Solve for x
x = 22,102,422,888.94/170,449.30 - Step 6: Final answer
x = 129,671.54
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1.5x scale
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.