Finding the Fourth Proportional to 341,457.40, 512,186.10 and 307,631.80
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Solution
The fourth proportional to 341,457.40, 512,186.10 and 307,631.80 is: 461,447.70
Step by Step Solution
- Step 1: Write the proportion equation
341,457.40 : 512,186.10 = 307,631.80 : x - Step 2: Convert to fraction form
341,457.40/512,186.10 = 307,631.80/x - Step 3: Cross multiply
341,457.40x = 512,186.10 × 307,631.80 - Step 4: Simplify right side
341,457.40x = 157,564,731,877.98 - Step 5: Solve for x
x = 157,564,731,877.98/341,457.40 - Step 6: Final answer
x = 461,447.70
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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.