Finding the Fourth Proportional to 160,319.77, 221,247.80 and 88,698.63
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Solution
The fourth proportional to 160,319.77, 221,247.80 and 88,698.63 is: 122,407.71
Step by Step Solution
- Step 1: Write the proportion equation
160,319.77 : 221,247.80 = 88,698.63 : x - Step 2: Convert to fraction form
160,319.77/221,247.80 = 88,698.63/x - Step 3: Cross multiply
160,319.77x = 221,247.80 × 88,698.63 - Step 4: Simplify right side
160,319.77x = 19,624,375,200.78 - Step 5: Solve for x
x = 19,624,375,200.78/160,319.77 - Step 6: Final answer
x = 122,407.71
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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.