Finding the Fourth Proportional to 347,292.79, 479,111.99 and 203,988.24
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Solution
The fourth proportional to 347,292.79, 479,111.99 and 203,988.24 is: 281,414.46
Step by Step Solution
- Step 1: Write the proportion equation
347,292.79 : 479,111.99 = 203,988.24 : x - Step 2: Convert to fraction form
347,292.79/479,111.99 = 203,988.24/x - Step 3: Cross multiply
347,292.79x = 479,111.99 × 203,988.24 - Step 4: Simplify right side
347,292.79x = 97,733,210,583.06 - Step 5: Solve for x
x = 97,733,210,583.06/347,292.79 - Step 6: Final answer
x = 281,414.46
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1.5x scale
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.