Finding the Fourth Proportional to 472,061.62, 708,193.34 and 152,231.70
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Solution
The fourth proportional to 472,061.62, 708,193.34 and 152,231.70 is: 228,380.09
Step by Step Solution
- Step 1: Write the proportion equation
472,061.62 : 708,193.34 = 152,231.70 : x - Step 2: Convert to fraction form
472,061.62/708,193.34 = 152,231.70/x - Step 3: Cross multiply
472,061.62x = 708,193.34 × 152,231.70 - Step 4: Simplify right side
472,061.62x = 107,809,476,076.88 - Step 5: Solve for x
x = 107,809,476,076.88/472,061.62 - Step 6: Final answer
x = 228,380.09
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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.