Finding the Fourth Proportional to 547,402.33, 755,371.68 and 305,670.48
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Solution
The fourth proportional to 547,402.33, 755,371.68 and 305,670.48 is: 421,800.95
Step by Step Solution
- Step 1: Write the proportion equation
547,402.33 : 755,371.68 = 305,670.48 : x - Step 2: Convert to fraction form
547,402.33/755,371.68 = 305,670.48/x - Step 3: Cross multiply
547,402.33x = 755,371.68 × 305,670.48 - Step 4: Simplify right side
547,402.33x = 230,894,824,004.01 - Step 5: Solve for x
x = 230,894,824,004.01/547,402.33 - Step 6: Final answer
x = 421,800.95
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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.