Finding the Fourth Proportional to 160,271.10, 221,104.62 and 96,572.70
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Solution
The fourth proportional to 160,271.10, 221,104.62 and 96,572.70 is: 133,228.45
Step by Step Solution
- Step 1: Write the proportion equation
160,271.10 : 221,104.62 = 96,572.70 : x - Step 2: Convert to fraction form
160,271.10/221,104.62 = 96,572.70/x - Step 3: Cross multiply
160,271.10x = 221,104.62 × 96,572.70 - Step 4: Simplify right side
160,271.10x = 21,352,670,135.87 - Step 5: Solve for x
x = 21,352,670,135.87/160,271.10 - Step 6: Final answer
x = 133,228.45
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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.