Finding the Fourth Proportional to 310,261.50, 464,961.70 and 141,369.08
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Solution
The fourth proportional to 310,261.50, 464,961.70 and 141,369.08 is: 211,857.44
Step by Step Solution
- Step 1: Write the proportion equation
310,261.50 : 464,961.70 = 141,369.08 : x - Step 2: Convert to fraction form
310,261.50/464,961.70 = 141,369.08/x - Step 3: Cross multiply
310,261.50x = 464,961.70 × 141,369.08 - Step 4: Simplify right side
310,261.50x = 65,731,207,764.24 - Step 5: Solve for x
x = 65,731,207,764.24/310,261.50 - Step 6: Final answer
x = 211,857.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.