Finding the Fourth Proportional to 168,482.96, 232,496.48 and 91,986.80
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Solution
The fourth proportional to 168,482.96, 232,496.48 and 91,986.80 is: 126,936.32
Step by Step Solution
- Step 1: Write the proportion equation
168,482.96 : 232,496.48 = 91,986.80 : x - Step 2: Convert to fraction form
168,482.96/232,496.48 = 91,986.80/x - Step 3: Cross multiply
168,482.96x = 232,496.48 × 91,986.80 - Step 4: Simplify right side
168,482.96x = 21,386,607,206.46 - Step 5: Solve for x
x = 21,386,607,206.46/168,482.96 - Step 6: Final answer
x = 126,936.32
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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.