Finding the Fourth Proportional to 400,302.07, 552,362.30 and 239,122.91
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Solution
The fourth proportional to 400,302.07, 552,362.30 and 239,122.91 is: 329,957.02
Step by Step Solution
- Step 1: Write the proportion equation
400,302.07 : 552,362.30 = 239,122.91 : x - Step 2: Convert to fraction form
400,302.07/552,362.30 = 239,122.91/x - Step 3: Cross multiply
400,302.07x = 552,362.30 × 239,122.91 - Step 4: Simplify right side
400,302.07x = 132,082,479,534.06 - Step 5: Solve for x
x = 132,082,479,534.06/400,302.07 - Step 6: Final answer
x = 329,957.02
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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.