Finding the Fourth Proportional to 221,297.70, 331,946.55 and 73,553.70
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Solution
The fourth proportional to 221,297.70, 331,946.55 and 73,553.70 is: 110,330.55
Step by Step Solution
- Step 1: Write the proportion equation
221,297.70 : 331,946.55 = 73,553.70 : x - Step 2: Convert to fraction form
221,297.70/331,946.55 = 73,553.70/x - Step 3: Cross multiply
221,297.70x = 331,946.55 × 73,553.70 - Step 4: Simplify right side
221,297.70x = 24,415,896,954.74 - Step 5: Solve for x
x = 24,415,896,954.74/221,297.70 - Step 6: Final answer
x = 110,330.55
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1.5x scale
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.