Finding the Fourth Proportional to 461,636.18, 637,164.18 and 270,711.08
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Solution
The fourth proportional to 461,636.18, 637,164.18 and 270,711.08 is: 373,643.60
Step by Step Solution
- Step 1: Write the proportion equation
461,636.18 : 637,164.18 = 270,711.08 : x - Step 2: Convert to fraction form
461,636.18/637,164.18 = 270,711.08/x - Step 3: Cross multiply
461,636.18x = 637,164.18 × 270,711.08 - Step 4: Simplify right side
461,636.18x = 172,487,403,305.11 - Step 5: Solve for x
x = 172,487,403,305.11/461,636.18 - Step 6: Final answer
x = 373,643.60
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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.