Finding the Fourth Proportional to 180,410.40, 249,171.96 and 122,950.62
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Solution
The fourth proportional to 180,410.40, 249,171.96 and 122,950.62 is: 169,811.98
Step by Step Solution
- Step 1: Write the proportion equation
180,410.40 : 249,171.96 = 122,950.62 : x - Step 2: Convert to fraction form
180,410.40/249,171.96 = 122,950.62/x - Step 3: Cross multiply
180,410.40x = 249,171.96 × 122,950.62 - Step 4: Simplify right side
180,410.40x = 30,635,846,968.62 - Step 5: Solve for x
x = 30,635,846,968.62/180,410.40 - Step 6: Final answer
x = 169,811.98
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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.