Finding the Fourth Proportional to 635,627.74, 877,171.49 and 349,154.23
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Solution
The fourth proportional to 635,627.74, 877,171.49 and 349,154.23 is: 481,835.70
Step by Step Solution
- Step 1: Write the proportion equation
635,627.74 : 877,171.49 = 349,154.23 : x - Step 2: Convert to fraction form
635,627.74/877,171.49 = 349,154.23/x - Step 3: Cross multiply
635,627.74x = 877,171.49 × 349,154.23 - Step 4: Simplify right side
635,627.74x = 306,268,134,423.13 - Step 5: Solve for x
x = 306,268,134,423.13/635,627.74 - Step 6: Final answer
x = 481,835.70
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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.