Finding the Fourth Proportional to 170,457.84, 235,242.36 and 93,976.56
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Solution
The fourth proportional to 170,457.84, 235,242.36 and 93,976.56 is: 129,693.46
Step by Step Solution
- Step 1: Write the proportion equation
170,457.84 : 235,242.36 = 93,976.56 : x - Step 2: Convert to fraction form
170,457.84/235,242.36 = 93,976.56/x - Step 3: Cross multiply
170,457.84x = 235,242.36 × 93,976.56 - Step 4: Simplify right side
170,457.84x = 22,107,267,759.08 - Step 5: Solve for x
x = 22,107,267,759.08/170,457.84 - Step 6: Final answer
x = 129,693.46
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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.