Finding the Fourth Proportional to 400,369.84, 552,493.92 and 239,313.70
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Solution
The fourth proportional to 400,369.84, 552,493.92 and 239,313.70 is: 330,243.07
Step by Step Solution
- Step 1: Write the proportion equation
400,369.84 : 552,493.92 = 239,313.70 : x - Step 2: Convert to fraction form
400,369.84/552,493.92 = 239,313.70/x - Step 3: Cross multiply
400,369.84x = 552,493.92 × 239,313.70 - Step 4: Simplify right side
400,369.84x = 132,219,364,222.70 - Step 5: Solve for x
x = 132,219,364,222.70/400,369.84 - Step 6: Final answer
x = 330,243.07
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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.