Finding the Fourth Proportional to 160,698.15, 221,779.35 and 89,092.02
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Solution
The fourth proportional to 160,698.15, 221,779.35 and 89,092.02 is: 122,955.80
Step by Step Solution
- Step 1: Write the proportion equation
160,698.15 : 221,779.35 = 89,092.02 : x - Step 2: Convert to fraction form
160,698.15/221,779.35 = 89,092.02/x - Step 3: Cross multiply
160,698.15x = 221,779.35 × 89,092.02 - Step 4: Simplify right side
160,698.15x = 19,758,770,285.79 - Step 5: Solve for x
x = 19,758,770,285.79/160,698.15 - Step 6: Final answer
x = 122,955.80
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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.