Finding the Fourth Proportional to 147,414.74, 221,160.38 and 42,241.91
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Solution
The fourth proportional to 147,414.74, 221,160.38 and 42,241.91 is: 63,373.82
Step by Step Solution
- Step 1: Write the proportion equation
147,414.74 : 221,160.38 = 42,241.91 : x - Step 2: Convert to fraction form
147,414.74/221,160.38 = 42,241.91/x - Step 3: Cross multiply
147,414.74x = 221,160.38 × 42,241.91 - Step 4: Simplify right side
147,414.74x = 9,342,235,550.51 - Step 5: Solve for x
x = 9,342,235,550.51/147,414.74 - Step 6: Final answer
x = 63,373.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.