Finding the Fourth Proportional to 319,173.57, 440,462.49 and 175,938.74
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Solution
The fourth proportional to 319,173.57, 440,462.49 and 175,938.74 is: 242,797.09
Step by Step Solution
- Step 1: Write the proportion equation
319,173.57 : 440,462.49 = 175,938.74 : x - Step 2: Convert to fraction form
319,173.57/440,462.49 = 175,938.74/x - Step 3: Cross multiply
319,173.57x = 440,462.49 × 175,938.74 - Step 4: Simplify right side
319,173.57x = 77,494,413,305.55 - Step 5: Solve for x
x = 77,494,413,305.55/319,173.57 - Step 6: Final answer
x = 242,797.09
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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.