Finding the Fourth Proportional to 313,289.57, 432,564.30 and 192,592.68
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Solution
The fourth proportional to 313,289.57, 432,564.30 and 192,592.68 is: 265,916.03
Step by Step Solution
- Step 1: Write the proportion equation
313,289.57 : 432,564.30 = 192,592.68 : x - Step 2: Convert to fraction form
313,289.57/432,564.30 = 192,592.68/x - Step 3: Cross multiply
313,289.57x = 432,564.30 × 192,592.68 - Step 4: Simplify right side
313,289.57x = 83,308,717,809.32 - Step 5: Solve for x
x = 83,308,717,809.32/313,289.57 - Step 6: Final answer
x = 265,916.03
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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.