Finding the Fourth Proportional to 222,437.80, 306,888.42 and 126,875.80
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Solution
The fourth proportional to 222,437.80, 306,888.42 and 126,875.80 is: 175,045.40
Step by Step Solution
- Step 1: Write the proportion equation
222,437.80 : 306,888.42 = 126,875.80 : x - Step 2: Convert to fraction form
222,437.80/306,888.42 = 126,875.80/x - Step 3: Cross multiply
222,437.80x = 306,888.42 × 126,875.80 - Step 4: Simplify right side
222,437.80x = 38,936,713,798.24 - Step 5: Solve for x
x = 38,936,713,798.24/222,437.80 - Step 6: Final answer
x = 175,045.40
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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.