Finding the Fourth Proportional to 561,021.19, 841,539.23 and 187,044.31
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Solution
The fourth proportional to 561,021.19, 841,539.23 and 187,044.31 is: 280,568.95
Step by Step Solution
- Step 1: Write the proportion equation
561,021.19 : 841,539.23 = 187,044.31 : x - Step 2: Convert to fraction form
561,021.19/841,539.23 = 187,044.31/x - Step 3: Cross multiply
561,021.19x = 841,539.23 × 187,044.31 - Step 4: Simplify right side
561,021.19x = 157,405,123,678.06 - Step 5: Solve for x
x = 157,405,123,678.06/561,021.19 - Step 6: Final answer
x = 280,568.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.