Finding the Fourth Proportional to 637,680.36, 879,988.08 and 351,227.16
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Solution
The fourth proportional to 637,680.36, 879,988.08 and 351,227.16 is: 484,687.52
Step by Step Solution
- Step 1: Write the proportion equation
637,680.36 : 879,988.08 = 351,227.16 : x - Step 2: Convert to fraction form
637,680.36/879,988.08 = 351,227.16/x - Step 3: Cross multiply
637,680.36x = 879,988.08 × 351,227.16 - Step 4: Simplify right side
637,680.36x = 309,075,714,172.25 - Step 5: Solve for x
x = 309,075,714,172.25/637,680.36 - Step 6: Final answer
x = 484,687.52
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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.