Finding the Fourth Proportional to 160,293.36, 221,206.20 and 88,675.68
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Solution
The fourth proportional to 160,293.36, 221,206.20 and 88,675.68 is: 122,373.19
Step by Step Solution
- Step 1: Write the proportion equation
160,293.36 : 221,206.20 = 88,675.68 : x - Step 2: Convert to fraction form
160,293.36/221,206.20 = 88,675.68/x - Step 3: Cross multiply
160,293.36x = 221,206.20 × 88,675.68 - Step 4: Simplify right side
160,293.36x = 19,615,610,205.22 - Step 5: Solve for x
x = 19,615,610,205.22/160,293.36 - Step 6: Final answer
x = 122,373.19
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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.