Finding the Fourth Proportional to 313,366.70, 432,569.49 and 211,452.50
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Solution
The fourth proportional to 313,366.70, 432,569.49 and 211,452.50 is: 291,887.75
Step by Step Solution
- Step 1: Write the proportion equation
313,366.70 : 432,569.49 = 211,452.50 : x - Step 2: Convert to fraction form
313,366.70/432,569.49 = 211,452.50/x - Step 3: Cross multiply
313,366.70x = 432,569.49 × 211,452.50 - Step 4: Simplify right side
313,366.70x = 91,467,900,084.23 - Step 5: Solve for x
x = 91,467,900,084.23/313,366.70 - Step 6: Final answer
x = 291,887.75
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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.