Finding the Fourth Proportional to 160,359.95, 221,293.57 and 88,739.96
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Solution
The fourth proportional to 160,359.95, 221,293.57 and 88,739.96 is: 122,459.39
Step by Step Solution
- Step 1: Write the proportion equation
160,359.95 : 221,293.57 = 88,739.96 : x - Step 2: Convert to fraction form
160,359.95/221,293.57 = 88,739.96/x - Step 3: Cross multiply
160,359.95x = 221,293.57 × 88,739.96 - Step 4: Simplify right side
160,359.95x = 19,637,581,388.13 - Step 5: Solve for x
x = 19,637,581,388.13/160,359.95 - Step 6: Final answer
x = 122,459.39
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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.