Finding the Fourth Proportional to 337,329.29, 465,213.09 and 279,877.65
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Solution
The fourth proportional to 337,329.29, 465,213.09 and 279,877.65 is: 385,981.15
Step by Step Solution
- Step 1: Write the proportion equation
337,329.29 : 465,213.09 = 279,877.65 : x - Step 2: Convert to fraction form
337,329.29/465,213.09 = 279,877.65/x - Step 3: Cross multiply
337,329.29x = 465,213.09 × 279,877.65 - Step 4: Simplify right side
337,329.29x = 130,202,746,267.20 - Step 5: Solve for x
x = 130,202,746,267.20/337,329.29 - Step 6: Final answer
x = 385,981.15
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1.5x scale
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.