Finding the Fourth Proportional to 302,277.70, 454,400.70 and 214,141.60
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Solution
The fourth proportional to 302,277.70, 454,400.70 and 214,141.60 is: 321,909.60
Step by Step Solution
- Step 1: Write the proportion equation
302,277.70 : 454,400.70 = 214,141.60 : x - Step 2: Convert to fraction form
302,277.70/454,400.70 = 214,141.60/x - Step 3: Cross multiply
302,277.70x = 454,400.70 × 214,141.60 - Step 4: Simplify right side
302,277.70x = 97,306,092,939.12 - Step 5: Solve for x
x = 97,306,092,939.12/302,277.70 - Step 6: Final answer
x = 321,909.60
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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.