Finding the Fourth Proportional to 180,179.88, 248,646.81 and 103,713.99
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Solution
The fourth proportional to 180,179.88, 248,646.81 and 103,713.99 is: 143,124.49
Step by Step Solution
- Step 1: Write the proportion equation
180,179.88 : 248,646.81 = 103,713.99 : x - Step 2: Convert to fraction form
180,179.88/248,646.81 = 103,713.99/x - Step 3: Cross multiply
180,179.88x = 248,646.81 × 103,713.99 - Step 4: Simplify right side
180,179.88x = 25,788,152,765.87 - Step 5: Solve for x
x = 25,788,152,765.87/180,179.88 - Step 6: Final answer
x = 143,124.49
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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.