Finding the Fourth Proportional to 413,679.06, 571,094.82 and 278,424.18
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Solution
The fourth proportional to 413,679.06, 571,094.82 and 278,424.18 is: 384,371.90
Step by Step Solution
- Step 1: Write the proportion equation
413,679.06 : 571,094.82 = 278,424.18 : x - Step 2: Convert to fraction form
413,679.06/571,094.82 = 278,424.18/x - Step 3: Cross multiply
413,679.06x = 571,094.82 × 278,424.18 - Step 4: Simplify right side
413,679.06x = 159,006,606,960.75 - Step 5: Solve for x
x = 159,006,606,960.75/413,679.06 - Step 6: Final answer
x = 384,371.90
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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.